Chapter 1: Fart-Fogged Drive
The air in the truck wasn’t just hot; it was a solid, soupy thing you had to chew before you could breathe it. Leather seats, cracked from a thousand sunbaked afternoons, stuck to the backs of Leo’s thighs. The scent was a brutal cocktail—cloying axe body spray, the sour ghost of yesterday’s protein shake, and underneath it all, the salty, metallic tang of Mack’s post-gym sweat.The AC groaned, a weak, warm breath that did nothing but stir the soup.
“Come on, man, it’s not that bad,” Mack said, his voice a relaxed boom in the cramped space.He shifted, his massive shoulders flexing under a damp gray tank top. The truck seemed to shrink around him.
Leo stared out the window, where the highway asphalt shimmered like a black mirror. “You could have rolled down a window.”
“And let all the cool air out?” Mack chuckled, a low, easy sound. He took a long pull from a giant shaker bottle, his throat working.“Gotta keep the system efficient.”
“There is no system. There’s just stew.” Leo’s own shirt was stuck to his spine. He’d been shirtless at home, in his loose shorts, cool and comfortable, before Mack had called needing a ride from the gym after his car wouldn’t start.A favor. Leo, against his better judgment, had said yes. A relic of some twisted high-school reflex, where the approval of Marcus Donovan meant something.Now, he was marinating.
Mack sighed, a contented sound, and settled deeper into the driver’s seat. He stretched his legs, one arm resting on the center console, invading Leo’s space with the casual ownership of a conqueror. It was the same way he’d occupied hallways, locker rooms, the entire social ecosystem of Northridge High. Leo could still see the ghost of that younger Mack, the one with the varsity jacket and the cruel, lazy smile, superimposed on the man beside him.
The present-day Mack was smiling now, but it wasn’t cruel.It was just… unaware.Oblivious. As if the last seven years had been a clean slate for him, while for Leo, they were a layer of grime under a too-thin veneer of adulthood.
A deep, internal rumble vibrated through the seat.Leo stiffened.Mack’s smile widened. He shifted his weight slightly, lifting one cheek off the leather.There was a moment of suspended, awful silence. Then it arrived: a long, deliberate, thunderous expulsion of gas, tearing through the quiet hum of the useless AC.
The new odor hit instantly, a foul, eggy layer that conquered the existing stench of the truck.It was a declaration of war.Mack let out a satisfied sigh and grinned over at Leo. “Better out than in, right?”
Leo didn’t speak. He turned his head slowly back to the window, his jaw clenched so tight it ached.The shimmering highway blurred. In his mind, he wasn’t in the truck. He was back by the bleachers, fifteen years old, with a shove between his shoulder blades and his books in a puddle. Laughter echoing. Mack’s laughter, usually just part of the chorus, but sometimes, distinctly, leading it.
The heat, the stink, the casual, profound disrespect—it all fused into a single, white-hot point in his chest. The easygoing mask he wore now, the quiet graphic designer who’d supposedly put it all behind him, cracked.
Okay, he thought, the internal voice ice-cold and clear.You want to play?
He watched Mack take another hearty swig from the protein shaker, adam’s apple bobbing. Mack’s life was a temple to his own body.The early gym sessions, the meticulously weighed chicken breasts, the expensive supplements. It was his religion.And Leo knew exactly how to desecrate a church.
A plan, simple and beautifully malicious, unfolded in his mind with the precision of a well-designed layout. Mack kept a stocked supply of protein powder and mixing cups in his apartment.It would be so easy. A swap of his pristine, hydrolyzed whey isolate for something cheaper, heavier. A careful addition of heavy cream to every prepared shake, of maltodextrin to the powder itself. Not enough to taste immediately, but enough.Enough to bloat him.Enough to make those razor-cut abs soften. To make his precious gains stagnate. To confuse him, to have him grinding even harder in the gym as his body subtly betrayed him.The poetic justice was exquisite.It was a slow, invisible revenge. A corruption from within.
“You’re quiet over there,” Mack said, his voice cutting through Leo’s fantasy. He drove with one wrist draped over the wheel, utterly at ease in his own dominion of stink and heat.Leo finally looked at him. He let a small, tight smile touch his lips.It wasn’t a friendly smile. “Just thinking about nutrition,” he said, his voice even.“You know, the science of it all. What really goes into building a body.”
Mack’s eyes lit up with genuine, uncomplicated interest. “Hell yeah, bro.It’s a science.Discipline. You tracking your macros?”
“Something like that,” Leo said softly, turning back to the window. Outside, the world was a heat-hazed blur, but inside his head, everything was now in perfect, sharp focus.He had a project. “I’m definitely going to start paying closer attention to what goes into the mix.”
The truck finally pulled into the lot of their apartment complex, a generic U-shaped building of beige stucco.The engine’s silence was a blessing. Leo was out of the vehicle before Mack had fully yanked the parking brake, gulping the marginally fresher outside air.
“Thanks for the lift, Hart,” Mack said, slamming his door and stretching his arms over his head with a groan.The fabric of his tank top strained. “I owe you one.”
You owe me more than one, Leo thought, but he just nodded. “Sure.”
Their apartments were across the hall from each other, a coincidence that still felt like a cruel joke. Mack fumbled with his keys, his gym bag slung over a shoulder. Leo watched him, the plan crystallizing from a vengeful fantasy into a concrete series of steps.He needed access.That was the only complication.
Mack shoved his door open, and a wave of cool, conditioned air washed out. He kicked his shoes into a messy pile just inside. “Later, man.”
The door began to swing shut.“Hey,” Leo said, the word sharp in the quiet hallway.
Mack paused, looking back.“You got any of that pre-workout left?Mine’s crap. Wanted to try yours before I buy a new tub.” The lie was smooth. Leo kept his face neutral, a bland mask of practical curiosity.Mack’s expression brightened, always happy to discuss his expertise. “Yeah, tons.Come on in.It’s the good stuff. Makes you feel like a god.”
Leo stepped into Mack’s apartment. It was a mirror layout of his own, but fundamentally alien. Where Leo’s space was minimalist, clean lines and plants, Mack’s was a temple to performance. A weight bench dominated the living area, a rack of dumbbells sat in the corner, and the air carried a permanent faint scent of rubber and synthetic citrus cleaner. The kitchen counter, however, was a disaster zone of dirty blenders, crusty shaker bottles, and large plastic tubs of supplements.
“Help yourself,” Mack said, already heading down the short hall toward his bedroom.“Gotta hit the shower. I’m crusted over.”
The moment the bathroom door clicked shut, Leo moved.He didn’t hesitate. His heart hammered, but his hands were steady. He located the nearly-full, industrial-sized tub of Mack’s preferred protein powder—“HYDROLYZED WHEY ISOLATE, 27g PURE PROTEIN”—and unscrewed the lid.The powder was fine, stark white.
From his own pocket, he pulled a small, unmarked ziplock bag he’d prepared weeks ago for a different, abandoned idea. It was filled with a dense, off-white powder: a fifty-fifty mix of cheap mass-gainer maltodextrin and powdered whole milk. He funneled it into Mack’s tub, then used a clean finger from the tub’s scoop to stir it in thoroughly, just beneath the surface.He replaced the lid, perfectly aligned as it had been.
Next, the refrigerator.He yanked it open. On the door shelf was a row of pre-made protein shakes in labeled shaker bottles, lined up like soldiers. Monday AM, Monday PM, Tuesday AM… Mack was nothing if not regimented. Leo unscrewed each one, glugged a significant glug of heavy cream from the carton he found inside, and gave them a quick shake.He wiped the rims with a paper towel.
The bathroom shower hissed to life down the hall.
Leo closed the fridge, washed his hands at the sink, and grabbed a random tub of pre-workout from the counter. He was leaning in the doorway, examining the label, when Mack emerged in a cloud of steam, a towel slung low around his hips, his hair dripping.
“This one?” Leo asked, holding it up.“Nah, the red one. The black is for legs. You’re not ready for the black.” Mack grinned, padding across the living room, his bare feet leaving damp prints on the laminate. Water gleamed on the carved muscles of his back.“Right.” Leo put the tub back, a placid smile on his face. “Thanks.”
“Anytime.”
Back in his own apartment, Leo stood perfectly still in the silent, clean calm.The fury was gone, replaced by a cold, surgical satisfaction.The trap was set. All he had to do was wait.The waiting took three days.The first sign was auditory. Through the thin wall separating their living rooms, Leo began to hear it: deep, resonant burps, followed by low, muttered curses.Then came the olfactory assault. It started subtly—a sour, yeasty note seeping under Leo’s door. By day three, it was a full-blown invasion.
Leo opened his door to get the mail and was hit by a wall of thick, humid air, heavy with the smell of rotten eggs and digestive decay. It was the truck, but concentrated, domesticated.Lived-in.Mack’s door swung open at that moment. He stood there in his tight boxer briefs, scratching his stomach, his face paler than usual. His usually sharp jawline seemed slightly puffy.“Hey,” he mumbled. His gut emitted a long, low gurgle, a sound like a distant landslide.
“You okay?” Leo asked, not needing to feign the slight edge of disgust in his voice. He fanned the air subtly in front of his face.
“Man, I don’t know,” Mack said, leaning his forehead against the doorframe.“My stomach’s a war zone.Everything’s… bubbling. I feel like a damn biodiesel factory.” He let out a wet, lengthy fart, seemingly without volition, and didn’t even apologize.He just looked miserable and confused. “It’s like my diet’s betraying me. I’m eating clean, I swear.”
He glanced past Leo into his apartment, which smelled of lavender and clean linen. “How’s your place smell so good?”
Leo gave a small, tight shrug, holding his mail to his chest like a shield. “Ventilation, I guess.” He took a final, shallow breath of the corrupted hallway air—a breath that tasted of victory, and of rancid butter—and stepped back inside, closing the door softly on Mack’s pained, gaseous confusion.
He took a final, shallow breath of the corrupted hallway air—a breath that tasted of victory, and of rancid butter—and stepped back inside, closing the door softly on Mack’s pained, gaseous confusion.The victory tasted stale by morning. Leo watched through the peephole as Mack left for the gym, his gait less springy, a hand pressed to his abdomen. The physical changes were microscopic, but Leo’s eye, trained in the minute details of graphic design and in the architecture of Mack’s former perfection, saw them. A slight softening where the lower abs met the hips. A subtle blurring of the serrated lines that cut across his obliques.It was working.But it was glacial. Mack just thought he had a recurrent stomach bug, a bad batch of chicken. He’d power through it, a bull plodding through mud.The sheer, resilient density of him was maddening.Leo needed a catalyst. A controlled environment.He needed to own the inputs completely.
The opportunity arrived two weeks later, taped to Mack’s door.A bright orange notice from the building management. “RENT INCREASE. 12%.” Leo heard the low whistle from across the hall, the rustle of the paper as Mack read it.Leo waited a day.He let the annoyance simmer in Mack’s mind. Then, over a beer that Mack sipped gingerly, his stomach still protesting, Leo made his move.“Saw the notice. That’s brutal,” Leo said, leaning against his own doorframe.Mack groaned, rubbing his belly. The waistband of his sweatpants was distinctly tighter.“Tell me about it.Management’s a bunch of vultures. Thinking about just buying a place, but the market’s insane.”
“Or,” Leo said, his tone casual, almost dismissive, “you could just split a place. Save half.” He took a sip of his own drink, watching Mack’s face over the rim.
“You know someone looking?” Mack asked, his brow furrowed.“Me.” Leo shrugged. “My lease is month-to-month now. A two-bedroom in that new complex over on Elm is less than what we’re each paying here now, even with the hike. We split it, we pocket the difference.”
Mack’s face cycled through expressions—surprise, consideration, a flicker of unease quickly buried under practical logic.“We’d have to get a two-bedroom, though. That’s still more than a one-bed.”
“Who needs two bedrooms?” Leo pressed, his voice flat and practical.“We’re never home at the same time except to sleep. We get a one-bed with a big living space. You take the living room for your gym stuff, I get a desk area.We split the bedroom.” He let the word hang there, a casual bomb. “It’s just sleeping. Saves another couple hundred each.”
The idea was so starkly transactional, so devoid of sentiment, that it disarmed Mack’s vague sense of awkwardness. It was a financial algorithm, not a friendship proposal. Leo could see him running the numbers in his head, the savings outweighing the weirdness. Mack, the former king of the locker room, who’d seen a hundred guys in various states of undress, for whom physical proximity was just a neutral fact.“Just sleeping, huh?” Mack finally said, a slow grin spreading. It was the old grin, but softer, blurred at the edges by his recent digestive woes and the appealing math. “You don’t snore, do you?”
“Only when I’m faking sleep,” Leo said, deadpan.Mack barked a laugh that ended in a minor burp. He winced, patted his chest.“Alright.Yeah.Let’s do it. A fresh start.And a new fridge. This one’s gonna need its own therapy after what I’ve put it through lately.”
They moved three weeks later. The new apartment was a sterile, open-plan box with large windows.Mack’s weights sat in a corner by the balcony door. Leo’s sleek desk stood opposite.The bedroom was dominated by one significant purchase: a king-sized bed. “No point in elbowing each other all night,” Mack had said, slapping the mattress. It was a expanse of neutral linen, an impassive plane dividing the room.
The first night, Leo lay rigid on his side, listening to the deep, rhythmic breath of Mack sleeping bare-chested just two feet away.The faint, sour-milk smell of his digestion lingered in the dark air. Leo stared at the silhouette of Mack’s shoulder against the window light.The plan was now intimate. He controlled the grocery shopping.He did the cooking more often, claiming he enjoyed it. “Gotta support your macros, big man,” he’d say, serving up creamy pasta carbonara, shepherd’s pies laden with cheese, stirring an extra generous scoop of the “protein” powder into Mack’s post-workout shake right in front of him.The changes accelerated. It wasn’t just a softening anymore.It was a quiet surrender. A pillow of flesh developed over Mack’s belt line.The sharp V-lines above his hips faded, replaced by a smooth, continuous slope. One morning, Leo watched as Mack stood before the bathroom mirror, shirtless, turning slightly. Mack frowned, his fingers probing the space beside his navel. He sucked in his gut briefly, the ghost of his abs appearing for a second before disappearing again as he exhaled. He shrugged, a quick, dismissive twitch of his shoulders. “Getting old,” he muttered to his reflection, and reached for his toothbrush.He didn’t notice.But Leo did.
Every morning, Leo cataloged it. The way Mack’s t-shirts now strained across his back and shoulders but pulled taut over his midsection.The new, slight roundness of his face. The soft grunt of effort when he bent to tie his shoes. The physical proof was a daily balm, a medication Leo administered to himself. He’d watch Mack lumber to the kitchen, his body thicker, slower, and feel a serene, cold completeness.They developed a routine. Evenings spent on opposite sides of the large couch, the glow of the TV painting their faces. Mack would lift his shirt, scratch his now-softened stomach, and sigh with a strange contentment.“Man, your cooking is too good. I’m getting fat.”
“You’re not fat,” Leo would say, not looking away from the screen, his voice a monotone of false reassurance. “You’re just… finally looking comfortable.”
And Mack would laugh, a warm, unselfconscious sound, and take another handful of the mixed nuts and chocolate chips Leo kept stocked in a bowl on the coffee table.He was comfortable. Oblivious. Nestled deep into the comforting lie of his own slowing metabolism, trusting the hand that fed him.Leo would wait until Mack’s breathing evened out into sleep. Then he’d turn his head on the pillow and look. In the semi-darkness, the form beside him was no longer a statue of vengeance, but a sleeping, bloated monument to it. The abs were gone, submerged under a gentle, continuous curve. Leo’s eyes traced the outline, his own breath syncopating with a fierce, quiet joy. The goal was being etched into Mack’s very flesh, night by silent night, and Mack slept through every second of its inscription.