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A Sensei's Second Chance

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Kakashi Hatake is a high school teacher and is married to Rin Nohara. They have twin sons together and Kakashi believes they are a happy family. Until he comes home early one day and finds Rin with Obito Uchiha in their bed having sex. Heart broken, he demands she leave and files for divorce and for custody of their boys. Hes granted both and a year later hes managing single fatherhood when Sakura Haruno, the new school nurse, comes into his life feeling drawn to her.

Chapter 1: The Unexpected Homecoming

The conference had run long. Three hours of budget projections and enrollment strategies that could have been an email, and Kakashi had spent every minute of it imagining his couch, a cold beer, and the new Icha Icha installment waiting on his nightstand. He'd slipped out during the final Q&A, leaving his colleagues to debate the merits of digital textbooks, and pointed his Honda toward home.

The suburban streets were quiet for a Thursday afternoon. Kids still in school. Parents still at work. The neighborhood stretched out before him in neat, predictable rows of identical mailboxes and well-tended lawns. His house sat at the end of the cul-de-sac, a modest two-story with blue shutters that Rin had picked out seven years ago. She'd been so excited about those shutters. Had driven past the house three times before making an offer.

He pulled into the driveway and killed the engine. The garage door was closed. That was odd. She usually left it open when she was home, giving the twins room to ride their bikes in and out. But Ryo and Kyo had soccer practice until five, and Rin had mentioned something about a late shift at the hospital. He checked his watch. Four-fifteen. Maybe she was napping.

The front door unlocked with a soft click. He dropped his briefcase in the entryway, kicked off his loafers, and noticed a pair of unfamiliar boots by the coat rack. Heavy. Scuffed. Men's size elevens, he guessed. Work boots, the kind mechanics wore.

His stomach tightened.

"That you, babe?" Rin's voice floated down the stairs, breathless and high-pitched. "I'm just. Just changing."

He stood at the bottom of the steps, staring at those boots. Something cold spread through his chest, starting at his heart and moving outward like frost creeping across a windowpane. His hand found the banister. The wood felt too solid under his palm. Too real.

"Kakashi?" Her voice again, sharper now. A warning buried in the syllables. "Stay there. I'll—"

He climbed.

Each step felt like walking through cement. The hallway stretched longer than it should have, the door to the master bedroom looming at the end like a verdict. He'd walked this hallway a thousand times. Stepped over scattered toys and forgotten homework. Paused to check on the boys when they had nightmares. It was just a hallway. Just a door.

The door was slightly ajar.

He pushed it open.

The first thing he registered was the smell. Jasmine and sweat, Rin's perfume clashing with something else. Something musky and sharp. The second thing was the tangle of limbs on his bed. His bed, with the white sheets that Rin had insisted on despite his protests about stains. His bed, where she'd curled against him during thunderstorms and whispered about the future.

The man on top of her had his back to the door. Broad shoulders. Tattoos snaking up his forearm. Obito's stupid grin was buried in Rin's neck, and her legs were wrapped around his waist, her nails digging into his shoulder blades.

"What the fuck," Kakashi heard himself say.

The words came out flat. Almost conversational. Like he was commenting on the weather.

Obito froze. He lifted his head, and his dark eyes went wide, pupils blown. "Kakashi. Shit. Man, this isn't what it looks like."

Kakashi stared at him. Then at Rin, who was scrambling to cover herself with a sheet. Her hair was mussed, her lips swollen, and her cheeks flushed a deep crimson that had nothing to do with shame and everything to do with what they'd been doing. The sheet couldn't hide the marks on her neck. Love bites. Bruises. Evidence.

Rin opened her mouth. Closed it. Opened it again. "Kakashi, please. Let me explain."

"Explain what?" He heard himself laugh. It was a hollow sound, like knocking on an empty casket. "The mechanics of it? I know the mechanics."

Obito was already moving, grabbing his jeans from the floor. His boxers were flung across the dresser, next to Rin's jewelry box. The one with the picture of their wedding in it. Kakashi catalogued every detail with clinical precision, filing them away like evidence for a trial that had already been decided.

Jesus Christ. Of all the people.

"Get out," Kakashi said.

Obito paused mid-step. "Look, I know this is—"

"Get out of my house." The words were quiet. Measured. The same voice he used when the twins were acting up in public, the one that made them straighten their shoulders and listen. "Get your things and get out."

Obito's jaw tightened. He grabbed his shirt from the floor, pulled it over his head, and took a step toward the door. His boots thudded against the hardwood. "I'm sorry, man. We didn't plan for you to—"

"I don't care what you planned." Kakashi didn't move from the doorway. His arms hung loose at his sides, but there was something coiled in his posture that made Obito stop. "I said get out."

Obito held his gaze for a moment. Then he shook his head and brushed past him, disappearing down the stairs. The front door slammed a few seconds later. A car engine sputtered to life. Then silence.

Rin was still in the bed, clutching the sheet to her chest. The flush had drained from her cheeks, leaving her pale and hollow-eyed. She looked smaller somehow. Diminished. "Kakashi—"

"No." He held up a hand. The gesture felt foreign, like he was directing traffic in a body that wasn't his. "Don't. Don't say anything."

She swung her legs over the side of the bed. The sheet pooled around her waist, exposing her bare shoulders. The marks on her neck seemed to pulse in the afternoon light. "It's not what you think. It just happened. We were—"

"Obito." He repeated the name like it tasted bad. "My friend. My best friend. In my bed. In my house." He looked around the room, at the familiar furniture rendered strange and ugly. "With my wife."

Rin's lips trembled. "I never meant to hurt you."

"Of course you didn't." He laughed again, the same hollow sound. "Nobody ever means to get caught."

She flinched. Good. Let her flinch. Let her feel a fraction of what he was feeling, the cold, heavy weight settling in his gut like a stone dropped into deep water.

"When?" he asked.

"What?"

"How long has this been going on?" His voice was steady. He was proud of that. The calm on the surface of a drowning man. "Weeks? Months? Longer?"

Rin looked away. "Since spring."

Spring. Eight months. Eight months of her coming home late, of her being too tired for intimacy, of her snapping at the boys for small things. Eight months of him making excuses for her. She's stressed at work. She needs space. She still loves me. She's just going through something.

And all along, she was going through Obito.

"Get dressed," he said. "Pack a bag. I want you out of here by tonight."

"Kakashi, where am I supposed to—"

"I don't care." The words came out sharp, cutting through her protests. "Call him. Call your sister. Call whoever you want. But you're not staying here."

Tears welled in her eyes. Real tears or manufactured ones, he couldn't tell anymore. "Please. I know I fucked up. I know I hurt you. But we can talk about this. We can work through it."

He stared at her. Long enough that she started to fidget. Long enough that the tears started to spill down her cheeks in earnest. And then he did the only thing that felt real in that moment.

He walked to the closet, pulled out a duffel bag she'd bought for a beach trip two summers ago, and tossed it onto the bed. It landed with a soft thump beside her bare knee.

"Pack," he said. "And when the boys ask why you're gone, you're going to be the one to tell them. Not me."

Rin's face crumpled. "Kakashi, please. Don't do this to them."

"Do this to them?" He turned to face her, and for the first time, the mask slipped. Something raw and bleeding flickered in his eyes. "You did this to them. You did this to us. I'm just the one who has to clean it up."

He walked out of the room before she could respond. His feet carried him down the stairs, through the kitchen, and out the back door into the yard. The grass was overgrown. He'd been meaning to mow it all week. The boys had a soccer goal set up near the fence, and their ball was still in the grass where Kyo had kicked it that morning.

He stood in the middle of the lawn, hands shaking at his sides, and looked up at the sky. The afternoon sun was warm on his face. The birds were singing. The world kept spinning, indifferent to the fact that his entire life had just collapsed around him.

His phone buzzed in his pocket. A text from Cameron. "You got the new Icha Icha yet? Heard it's killer."

Kakashi stared at the screen. The words blurred and sharpened, blurred and sharpened. He typed back a response he didn't remember sending, then pocketed the phone.

The back door opened behind him. He didn't turn around.

"The boys are home," Rin said quietly. "I hear their voices. They're out front with the neighbors."

Kakashi closed his eyes. "Then go out there and tell them."

"Now? I can't just—"

"Now." He finally turned to face her. She'd put on jeans and a hoodie. Her hair was pulled back. She looked almost normal. Almost like the woman he'd married. "Before I do something we'll both regret."

Rin stared at him for a long moment. Then she nodded slowly and walked through the house toward the front door. He listened to her shoes click across the kitchen tile. Heard the hinges groan as she stepped outside. Heard Ryo's surprised laugh and Kyo's voice asking where she was going.

He waited until he couldn't take it anymore. Then he went inside, climbed the stairs, and stood in the doorway of the master bedroom. The sheets were rumpled. The pillows were scattered. The scent of jasmine and sweat hung heavy in the air.

He walked to the dresser, pulled open his sock drawer, and found the small velvet box hidden beneath a pile of cashmere. He hadn't opened it in years. Not since the first anniversary. Inside was a silver band, engraved with a date and a promise.

He closed the box, slipped it into his pocket, and walked out of the room without looking back.

He descended the stairs slowly, the tiny velvet box a warm weight against his thigh. The living room looked exactly as it had this morning—coffee mug still on the end table, throw blanket folded perfectly over the arm of the couch. Evidence of a life that no longer existed. He grabbed his phone from the kitchen counter and pulled up Minato Namikaze's contact.

"Kakashi." Minato's voice was sharp even at the other end of the line. "I was just thinking about you. How did the conference go?"

"Listen, Minato." The words caught in his throat, had to force them out. "I need a lawyer." A pause, longer than comfortable, before Minato asked, "What kind of lawyer, Kakashi?"

"The divorce kind."

Minato arrived at the house forty minutes later with a leather briefcase and an expression that walked the careful line between professional detachment and genuine concern. He was fifteen years older, silver-haired like Kakashi but with warmer features, the kind of face that inspired confidence. He'd been there when Kakashi's parents died, had handled the estate. Now he sat across the kitchen table, taking notes while Kakashi spoke.

"She admitted to the affair?" Minato asked, pen hovering over paper.

"She was in my bed when I discovered her." Kakashi's voice was calm, almost too calm. "With Obito. Eight months, she said."

"Eight months." Minato wrote something down, flipped a page. "That's premeditated, not a lapse in judgment. A judge will look favorably on that. And you have proof?"

Kakashi pulled out his phone, showed him the photos he'd taken. He didn't know why he'd taken them. Instinct, maybe. Some part of him anticipating that he'd need evidence, that words alone wouldn't be enough. The images were damning—Rin's face caught mid-pleasure, Obito's back arched above her, the tangle of sheets and limbs.

Minato studied them without comment. Nodded. "This helps. We'll file tomorrow. Temporary custody as well, given the circumstances." He looked up, met Kakashi's eyes. "You want full custody, right?"

"Yes."

"Okay." Minato closed his notebook. "This won't be pretty, Kakashi, but it'll be thorough. She'll fight for at least shared custody. A mother's position in the courts is still—"

"Make it work. Please."

Minato gave him a long, appraising look—that rare moment where he dropped the lawyer mask to look at him the way he had when he'd found him crying on the doorstep after his father's funeral. "I'll do everything I can," he said.

He did more than that. The filing came three days later, a stack of papers that landed on Rin's new apartment door like an accusation. Minato had worked fast, leveraging the evidence of the affair and the boys' testimony—Ryo and Kyo had both told the court-appointed counselor that they wanted to live with their father, that they'd felt abandoned by their mother's absences long before the affair. The hearing was brief. Rin's lawyer tried to argue for joint custody, but Minato's case was airtight.

The judge ruled in Kakashi's favor.

Full legal and physical custody. Child support ordered at a rate that made Rin's lawyer flinch. Visitation rights on alternating weekends, though the look on her face when the verdict was announced suggested she wasn't sure she even wanted them.

Kakashi felt nothing when he heard the words. No victory. No satisfaction. Just the hollow click of a door closing.

The moving truck came on Saturday.

Kakashi stood at the kitchen window, watching. Rin had hired movers—her sister's husband's company, he guessed, judging by the logo on the side of the truck. She directed them from the driveway, her hair pulled back in a ponytail, sharp lines cut into her face with sharp angles that used to soften when she looked at him. Now they stayed fixed, hard, refusing to meet his gaze for more than a few seconds.

Two men carried boxes out of the garage, loading them into the back of the truck. Her clothes, her books, the small jewelry box. Somewhere in there was the engagement ring he'd given her. The one she'd flung at his head during their second argument after the discovery, the one she'd scrambled to find after he'd left the room.

"Dad?"

Kakashi turned. Ryo stood at the kitchen door, clutching a soccer ball with tired eyes and his mouth pressed into a tight line. The boys had been quiet all morning, murmuring behind their bedroom door and watching their mother through the window. "She packing her stuff," Ryo said. It wasn't a question. Voice flat.

"Yes, she is."

"Oh." Ryo shifted the soccer ball from one hand to the other. "Kyo won't stop crying."

Kakashi knelt in front of him, a sudden ache pressing against his ribs. "Where is he?"

"Back yard."

He found Kyo sitting at the bottom of the porch steps, chin tucked to his knees, fists shoved deep into his hoodie pockets. The sound of footsteps made him look up, and there it was—the tear-streaked face, the red-rimmed eyes that cut into Kakashi's chest like a knife. Kakashi sat down beside him on the grass, close enough to feel the heat coming off his son's trembling shoulders but not touching him, not yet.

"You okay?" he said.

Kyo shook his head. His voice came out in a whisper, raw and cracked. "Mom said she knows it's bad, but she said it was a mistake. She said she's sorry. But Dad, she said, she said she still loves us."

Kakashi felt the words press against him like a dull wound. "I know she does," he said. "She loves both of you."

"Then why'd she do it?" Kyo looked up at him, and the anger was there, burning in his grey eyes. "Why'd she leave? Why'd she pick him over us?"

Kakashi didn't have the answers. He pulled his son into his arms, felt the boy's body go tight and then give, a sob muffled against his chest. Ryo came over and settled on his other side, silent and staring across the yard with a hard set to his jaw.

"I hate her," Ryo said quietly.

Kakashi shot him a look. "No, you don't."

"I do." Ryo's voice cracked. "I hate her and I hate Uncle Obito. Why'd they have to this, Dad?"

Kakashi pulled them both into his chest, one arm around each. Held them until the crying subsided to sniffles and the afternoon sun crept toward the horizon. The moving truck rumbled out of the driveway, and the front door clicked shut with a finality he felt deep in his bones. He didn't go inside to check. His boys were here, in his arms, and his boys were everything left.

After a long moment, Ryo pulled back, wiping his nose with his sleeve. "Dad, can we get some ice cream?"

Kakashi looked down at him, at those grey eyes that mirrored his own, the same stubbornness in a smaller frame. He smiled, quiet and bruised, and ran a hand over Ryo's dark hair. "Yeah. We can get some ice cream."

They got ice cream. Then they got burgers, then they got milkshakes, and then they sat in the car outside the shop until the sun went down, the boys' faces smeared with chocolate and the quiet hum of the radio filling the space where words used to live. Kakashi watched them in the rearview mirror—Ryo's eyes dry and hard, Kyo's still puffy but steadier now—and felt something shift in his chest. A settling. A recalibration.

They would be okay. They had to be.

The year that followed was a slow, grinding climb. Mornings became a ritual of cereal bowls and mismatched socks, of homework battles and the occasional forgotten permission slip. Kakashi learned to braid hair—badly, but adequately—and to cook exactly three meals without burning them: spaghetti, grilled cheese, and a stir-fry that Kyo claimed tasted like "sad vegetables" but ate anyway. He learned that ten-year-olds have an uncanny ability to say the most devastating things at the most ordinary moments, and that a hug could fix almost anything if administered quickly enough.

Rin's weekend visits started and stalled and started again. She'd pick them up on Saturdays, return them on Sundays, and each time the boys would come back quieter, their faces closed off in ways that made Kakashi's chest ache. They never told him what happened during those visits. He never asked. Some doors, once closed, were better left that way.

By the time spring rolled around, they'd found a rhythm. Fragile but functional. The house still felt too big sometimes, the silence too loud, but the boys filled it with their noise and their mess and their relentless, wonderful energy. Kakashi started sleeping through the night again. Started smiling at things that weren't ironic. Started, slowly, to feel like a person instead of a wound.

It was a Saturday in late April when everything shifted.

The playground behind the high school was a relic from another era, all rusted swings and sun-bleached plastic, but it was close and it was empty and the boys loved it. Kakashi had brought a book—the new Icha Icha, dog-eared and waiting—and settled onto a bench beneath a sprawling oak tree. The sun was warm on his shoulders. The air smelled like cut grass and freedom.

Ryo and Kyo had made a game of timing each other on the monkey bars, their laughter carrying across the field like birdsong. Kakashi let his eyes drift, half-reading, half-watching the way fathers do, one eye on the page and one on the world.

Then he heard it. A sharp cry, cut off almost immediately. The kind of sound that made his blood run cold.

He was moving before he registered standing up. The book fell to the grass, forgotten. His feet carried him across the field in a blur, and there was Ryo, crumpled at the base of the jungle gym, his face gone white and his arm twisted beneath him at an angle that made Kakashi's stomach lurch.

"Dad." Ryo's voice was thin, reedy, trembling. "Dad, it hurts."

Kakashi dropped to his knees beside him, hands hovering, afraid to touch, afraid not to. "Okay, buddy. Okay. I've got you." He could see the damage now—a gash running from Ryo's elbow to his wrist, raw and weeping, dirt and gravel ground into the wound. Blood welled up in bright red beads, streaking down his forearm and staining his white t-shirt. "Can you move your fingers?"

Ryo wiggled them weakly. "Yeah. It just hurts."

"Good. That's good." Kakashi's voice was steady, even as his heart hammered against his ribs. He looked up at Kyo, who stood frozen a few feet away, eyes wide and hands pressed over his mouth. "Kyo. I need you to grab my phone from the bench. Can you do that?"

Kyo nodded and sprinted off, returning seconds later with the phone clutched in both hands. Kakashi dialed the school's main number from memory—he'd called it enough times for parent-teacher conferences—and was surprised when a live voice answered.

"Konoha High School, this is the front office."

"This is Kakashi Hatake. My son fell at the playground behind the school. He's got a bad scrape on his arm, needs cleaning and possibly stitches. Is there anyone—"

"There's a nurse on duty," the voice cut in. "She's in the health office. Bring him around to the main entrance, I'll let her know you're coming."

Kakashi ended the call, pocketed the phone, and turned back to Ryo. "Alright, buddy. We're going to get you fixed up. Think you can walk?"

Ryo nodded, but when he tried to stand, his legs buckled. Kakashi caught him before he could fall, scooping him up with the ease of long practice. Ryo was getting heavy—ten years of growth had made him gangly and long-limbed, all elbows and knees—but Kakashi held him close, one arm under his knees, the other supporting his back.

"Let's go," he said to Kyo. "Stay close."

They made their way around the school, past the empty parking lot and the rows of locked bicycles, to the main entrance. The front office was quiet for a Saturday, the usual bustle replaced by the hum of a vending machine and the distant clatter of a janitor's cart. A middle-aged woman with kind eyes and a name tag that read "Yamato" waved them through a side door.

"Down the hall, second door on the left. She's expecting you."

The hallway stretched before them, polished linoleum reflecting the fluorescent lights. Kakashi's footsteps echoed in the silence. Ryo had gone quiet in his arms, his face pressed against Kakashi's shoulder, his breathing shallow and fast. The blood had stopped flowing freely but still seeped, a dark stain spreading across his son's pale skin.

They reached the door—a simple wooden door with a frosted glass window and a sign that read "Health Office" in faded lettering. Kakashi pushed it open with his shoulder.

The room was small and bright, with white walls and a row of cots along one wall. A desk sat in the corner, cluttered with papers and a half-empty coffee mug. And behind that desk, bent over a stack of forms, was the most arresting woman Kakashi had seen in years.

She had pink hair.

Not dyed pink, not that cheap candy-floss pink you saw on teenagers in malls. This was a soft, natural pink, like cherry blossoms in early spring, pulled back from her face with a silver clip. Her eyes were green—vivid, startling green, the color of new leaves—and they widened with concern when she saw them.

"Bring him in. Set him down on the cot." Her voice was warm and steady, the kind of voice that could calm a crying child or a terrified parent. She was already moving, washing her hands at the sink, pulling on gloves. "What happened?"

"Monkey bars," Kakashi said, settling Ryo onto the cot. His son's eyes were squeezed shut, his jaw tight. "He fell. Hit his arm on something on the way down."

The nurse—her name tag read "Haruno, S."—approached with a tray of supplies. She knelt beside the cot, her green eyes focused entirely on Ryo. "Hey there. I'm Sakura. What's your name?"

"Ryo." His voice was small, swallowed by pain.

"Nice to meet you, Ryo. I'm going to take a look at that arm, okay? It might sting a little, but I'll be quick." She reached out, and her fingers were gentle as they probed the wound. Ryo flinched, but she didn't pull away. "This is going to need a good cleaning. There's some gravel in there. We'll get you all fixed up."

Kakashi stood back, watching. His hands hung uselessly at his sides. He felt the familiar helplessness of a parent who couldn't fix something—the tightness in his chest, the urge to do something, anything, to take his son's pain away.

Sakura worked with practiced efficiency. She irrigated the wound, picking out bits of gravel with tweezers while murmuring soft reassurances to Ryo. Kyo hovered by the door, watching with wide eyes, and she waved him over.

"You can hold his hand if you want. He might need it."

Kyo approached slowly, and his small, pale hand closed around his twin's. Ryo squeezed back, hard.

"Almost done," Sakura said. "Just need to bandage this up. You're being so brave, Ryo. I'm impressed."

The words were simple, but they landed. Kakashi watched his son's face relax, watched the tension bleed out of his shoulders. By the time Sakura had finished wrapping the arm in clean white gauze, Ryo was almost smiling.

"All done." She peeled off her gloves and tossed them in the bin. "You're going to have a cool scar to show off, buddy. That's a story-worthy injury."

Ryo laughed—a real laugh, surprised out of him. "Thanks, Nurse Sakura."

"Just Sakura is fine." She stood, brushing a strand of pink hair from her face, and turned to Kakashi for the first time. Her eyes met his, and something flickered there—curiosity, maybe, or recognition of some shared understanding. "You're his dad?"

"Kakashi." He extended his hand. She took it, her grip firm and warm. "Thank you. I don't know what I would have—"

"It's my job." She smiled, and it transformed her face, lighting up those green eyes. "But you're welcome. He's a tough kid. Takes after his old man, I'd guess."

Kakashi's breath caught. It was an innocuous comment, a throwaway line, but it hit him somewhere unexpected. "I try," he said, and his voice came out rougher than he intended.

Sakura's smile softened. She glanced at the twins, who were now inspecting the bandage together, heads bent close, and then back at Kakashi. "There's a pharmacy two blocks down that sells decent ice packs if you want to keep the swelling down."

"I'll grab one on the way home."

"Good." She nodded, then hesitated, as if weighing a decision. "He'll need to change the bandage tonight. If—" She stopped, shook her head. "Never mind. The pharmacy has the right supplies. You'll be fine."

Kakashi wanted to ask what she'd been about to say. But Kyo was tugging his sleeve, and Ryo was already hopping off the cot, testing his bandaged arm with a wince.

"Ready, Dad?"

"Yeah, buddy." He looked back at Sakura, who had returned to her desk, already pulling out a form. "Thank you, again."

"Take care of him," she said, not looking up. But there was something in her voice—a warmth that lingered in the air long after they'd left the office, following them down the hallway and out into the afternoon sun.

The pharmacy was where she said it would be. Kakashi bought the ice pack, a box of bandages, and a tube of antiseptic cream that the pharmacist recommended. The twins argued over which flavor of slushie to get from the corner store next door. By the time they piled back into the car, Ryo's arm was propped on a pillow and the color had returned to his face.

"Dad?" Kyo's voice came from the back seat.

"Yeah?"

"Nurse Sakura was nice."

Kakashi glanced in the rearview mirror. His son's face was thoughtful, his grey eyes far away. "Yeah," he said, turning the key in the ignition. "She was."

He didn't think about her again. That's what he told himself as the car pulled away from the curb, as the afternoon turned to evening, as he helped Ryo change the bandage and ordered pizza for dinner. He didn't think about her pink hair or her green eyes or the way her smile had made something in his chest feel unfamiliar.

He was a single father. He was a divorcee. He didn't have time for distractions.

But that night, lying awake in the dark, his hands folded behind his head, he found himself replaying the moment her eyes had met his. Found himself wondering what she'd been about to say before she'd stopped herself.

The ceiling stared back at him, unhelpful and blank.

He turned on his side and closed his eyes.

He didn't sleep well.

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