The first official day of the Barnaby Accords fell on a Thursday, which meant it was Lucas's morning to handle feeding, litter, and what Section 4.1 of the agreement now formally referred to as "supervised enrichment" -- a term Mia still maintained was just a fancy way of saying "let the cat sit near a window."

He stopped at the pet store on his way to the apartment building, a small, tidy shop two blocks from the clinic that he'd been using for years, and moved through the aisles with the efficient, list-driven focus he brought to every task in his life. Wet food, the specific brand approved for Barnaby's weight management. A new scratching post, since the current one had started shedding cardboard across Mia's floor in a way he suspected was contributing to the mess he'd catalogued, silently, on his last visit. Litter, unscented, because Barnaby had opinions about scent that Lucas had learned, the hard way, not to test.

The owner, a soft-spoken older woman named Denise who had sold him cat supplies for the better part of three years, rang him up with her usual efficiency before pausing, scanning the unfamiliar addition to his basket. "No coffee for you usually," she said, more observation than question.

"It's not for me."

"Ah." Something knowing crept into her expression, the specific look of a woman who had clearly seen this particular pattern play out in enough customers to recognize it on sight. "Girlfriend?"

"Neighbor," Lucas said, too quickly, and immediately regretted the speed of the correction, which had somehow managed to sound more suspicious than if he'd simply said nothing at all.

"Mm." Denise handed him his receipt with the placid, unbothered expression of someone who had decided not to push the point, though the small smile she gave him on the way out suggested she'd already drawn her own conclusions regardless of what he'd actually said.

Lucas thought about that exchange the entire drive to the apartment building, turning it over with the same discomfort he brought to any variable he couldn't immediately categorize. Neighbor was accurate. Neighbor was also, he was beginning to suspect, an increasingly inadequate word for whatever this had become in the space of a single week -- a woman he'd met during a hostile confrontation over drywall damage and had somehow ended up buying coffee for four days later, standing in a grocery aisle rehearsing justifications he didn't actually need to give anyone but himself.

He was halfway to the register when he stopped, inexplicably, in front of the coffee display.

He didn't drink coffee, as a rule. Caffeine sensitivity, poor sleep architecture if consumed after two in the afternoon, and frankly he preferred the discipline of not needing it -- one more variable removed from the system, one more dependency he didn't have to manage. But his eyes had caught on a bag of dark roast, plain, no flavoring, no sugar, and before he'd fully registered the decision, his hand had already closed around it.

He stood there for a second, holding the bag, running through the memory that had apparently prompted this without his permission -- the second night of Barnaby's feeding standoff, both of them slumped against Mia's kitchen counter at nearly midnight, and Mia pouring herself a mug of black coffee with the specific, weary devotion of someone who considered it a personality trait rather than a beverage. No cream. No sugar. Straight and unapologetic, the same way she'd argued with him about caloric intake being a mood twenty minutes earlier.

He hadn't meant to remember it. That was the unsettling part. He didn't generally retain details about people unless they were medically relevant -- a pet's allergy, a client's preferred appointment time, the specific way a nervous owner needed information delivered to actually absorb it. Mia's coffee order didn't fit any of his usual categories. It had simply lodged itself somewhere, uninvited, and stayed, the way certain songs got stuck without permission and played on a loop whether he wanted them to or not.

He thought, briefly, of calling it a professional courtesy -- the kind of small gesture any considerate co-custodian might extend -- and dismissed the framing almost as quickly as it occurred to him, because he was fairly certain professional courtesy didn't typically involve standing in a grocery aisle for four minutes deliberating over a five-dollar bag of coffee like it was a decision with consequences.

He didn't examine why he remembered that detail with such clarity. He put the coffee in his basket anyway, told himself it was a reasonable, neighborly gesture -- she probably ran low on groceries the way most freelancers did, absorbed in deadlines until the pantry emptied itself without her noticing -- and moved on before he could interrogate the reasoning any further.

By the time he reached her door, carrier tucked under one arm, bags in the other, he had almost convinced himself the coffee was incidental. Almost.

Mia opened the door in an oversized sweater and paint-stained leggings, hair piled into a knot that was actively failing at its one job, looking like she'd been awake for either eleven minutes or eleven hours, with no reliable way to tell which.

"Morning, Doctor Vance." She squinted at the bags in his hands. "Did you bring an entire pet store with you?"

"Just the essentials." He set them on her counter, unloading with the same brisk efficiency he applied to everything, cataloguing items aloud as he went -- food, litter, scratching post -- and then, almost as an afterthought, sliding the bag of coffee across the counter toward her without quite meeting her eyes. "And this. You were low, I assumed."

Mia looked at the bag, then at him, something shifting across her face that he couldn't immediately parse -- surprise, mostly, but underneath it something softer, something that made him suddenly aware of exactly how exposed the gesture had left him, this small, unnecessary thing that hadn't been in Section 3 of any document either of them had signed.

"You bought me coffee."

"It wasn't a significant expense."

"That's not what I said." She picked up the bag, turning it over, reading the label with more attention than a bag of dark roast strictly required. "This is the exact kind I drink. Black. No flavoring."

"I noticed."

"You noticed what kind of coffee I drink."

"It's not difficult to notice things," Lucas said, aware, even as he said it, that this particular thing -- the specific brand, the black-no-sugar detail, filed away without effort during what should have been an unremarkable midnight cat vigil -- was not the kind of thing a person simply noticed by accident. He felt something warm creep up the back of his neck and busied himself unpacking the scratching post instead of examining it further.

"Is this a bribe," Mia said, a slow, delighted grin spreading across her face. "Are you trying to buy Barnaby's loyalty back with premium dark roast."

"It's a gesture of neighborly goodwill."

"It's a bribe. You're bribing me to like Barnaby's other apartment less."

"I have no interest in a custody war fought via caffeine."

"That's exactly what someone losing a custody war fought via caffeine would say."

Despite himself, the corner of his mouth pulled up, the specific involuntary tug he'd been fighting all week around this particular woman, in this particular kitchen, over this particular ridiculous cat. "If it helps my case, I'll deny everything on record."

"Noted for the appeal." Mia set the bag down and, before he could deflect further, reached out and squeezed his forearm briefly, warmly, an easy, unthinking gesture that landed somewhere in his chest with far more weight than its size warranted. "Seriously. Thank you. This is -- it's a nice thing to do."

"It's not a significant expense," he repeated, aware even as the words left his mouth that he was retreating to logistics because he didn't have a better place to put the sudden warmth spreading through his chest.

"You keep saying that like it makes it less nice. It doesn't. It's still nice."

He didn't have a ready response for that -- didn't have, in fact, much of a ready response for most things that had happened since the six a.m. drilling incident, a category of experience his usual frameworks weren't equipped to process -- so he changed the subject with the specific efficiency of a man retreating to safer ground. "Barnaby's morning feeding. I brought the new brand."

"Right. Feeding. Very important. Very not-a-moment-we're-having-right-now." But she was smiling as she said it, and something about the easy, unforced quality of the exchange -- no argument, no negotiation, just two people standing in a kitchen with too much cat food and one unexpected bag of coffee between them -- settled into the room and stayed there, comfortable in a way none of their previous encounters had quite managed to be.

They fed Barnaby together, following the new protocol with an attentiveness that felt, in retrospect, slightly excessive for a single bowl of wet food, both of them narrating measurements aloud like they were conducting a small, mutually agreed-upon science experiment. Barnaby ate with theatrical enthusiasm, clearly delighted by the change in brand, and settled afterward into a contented loaf on the kitchen floor between them, effectively pinning them both in place with the specific gravity of a well-fed cat who had no intention of moving anytime soon.

"So," Mia said, leaning against the counter, mug of the new coffee cradled in both hands, steam curling up past her face. "Since we're doing gestures now. Should I be worried you're going to show up with a fruit basket next."

"Is that a request."

"It's a warning. I have a very specific fruit basket aesthetic and I need advance notice to prepare emotionally."

"I'll take that under advisement." He watched her take a sip of the coffee, watched the small, satisfied hum she made at the first taste, entirely unaware of how thoroughly it undid the careful, controlled morning he'd planned before walking into this apartment. "Good?"

"Perfect." She took another sip, eyes briefly closing, and Lucas found himself cataloguing that too, filing it away in the same unauthorized mental drawer where he'd apparently started keeping details about this particular woman, without ever having consciously opened the drawer in the first place. "You have good instincts, Doctor Vance. For someone who claims not to drink coffee."

"I have good observational skills. It's a professional requirement."

"Sure. Professional requirement. That's definitely what this is." She was teasing, obviously, but there was something underneath the teasing too, something that made him wonder if she'd noticed the same unauthorized drawer opening in herself that he'd been trying not to examine in his own chest since he'd picked up that bag off the shelf without meaning to.

He left ten minutes later than he'd planned, later than his morning schedule technically allowed, having stayed to watch Barnaby attempt, and fail, to climb into an empty grocery bag two sizes too small for his substantial frame -- the cat wedging his front half in with great determination while his back half remained stubbornly, comically exposed, tail lashing in what could only be described as wounded dignity. Mia had laughed so hard she'd had to set her mug down, one hand braced against the counter, and Lucas had found himself laughing too, an actual, full laugh that surprised him with how easily it arrived, how little effort it took compared to the careful, measured version of amusement he usually allowed himself in front of near-strangers.

"He thinks he's smaller than he is," Mia said, wiping her eyes. "It's honestly the most relatable thing I've ever seen an animal do."

"He has a very clear self-image that doesn't match his actual measurements."

"Don't we all."

Lucas glanced at her, something in the offhand comment catching more than it should have, though she'd already moved on, crouching down to help extract Barnaby from his self-imposed predicament with the gentle, practiced ease of someone who'd apparently spent the last week learning this particular cat's specific brand of stubbornness better than Lucas, who'd owned him for two years, had ever quite managed.

"You're good with him," he said, before he'd fully decided to say it.

"He's easy. He just wants attention and snacks and a little bit of chaos. Very low bar." She scooped the cat up, settling him against her shoulder with an ease that looked, disconcertingly, like it had always belonged there. "You're good with him too, obviously. Just in a different language."

"A different language."

"Yeah. You speak Spreadsheet. He speaks Chaos. I'm apparently fluent in both, which makes me a very useful translator." She grinned at him, and something about the easy confidence of it -- no self-consciousness, no performance, just a woman entirely comfortable in her own skin standing in her kitchen with someone else's cat on her shoulder -- struck him as more attractive than it had any reasonable right to be at seven-forty in the morning.

He left, then, both of them laughing in a way that had nothing to do with efficiency or protocol or any of the frameworks he usually relied on to structure his days.

It wasn't until he was halfway to the clinic, sliding into his car, that his phone buzzed with a text.

MIA: coffee update: still perfect. still can't believe you noticed my brand. still slightly suspicious this was a strategic move in a war i didn't know we were fighting

LUCAS: There's no war. Just goodwill.

MIA: sure, doctor. keep telling yourself that.

He set the phone down without responding, pulling out of the parking lot with the specific, unfamiliar sensation of having spent an entire morning slightly off his usual schedule and finding, against every instinct he'd built his adult life around, that he didn't particularly mind.

That evening, Barnaby refused dinner entirely -- pushed his bowl away with one dismissive paw and retreated to the top of the refrigerator, an unmistakable declaration of protest that neither Lucas nor Mia had anticipated.

It started small. Mia noticed it first, texting Lucas a photo of the untouched bowl around six-thirty with the caption is this normal or should I be worried, and Lucas, midway through his own dinner at his own apartment, felt an unfamiliar spike of concern that had nothing to do with clinical assessment and everything to do with the specific, personal dread of something being wrong with a creature he'd already, somewhere in the last week, started thinking of as more than just a patient.

LUCAS: Has he vomited? Lethargy? Hiding?

MIA: no vomiting. he's just sitting on top of the fridge looking extremely judgmental and refusing to acknowledge the food exists

LUCAS: That's unusual. He doesn't typically skip meals.

MIA: should I come get you? is this a heart thing? oh god is this a heart thing

He could hear the rising worry even through text, the capital letters, the second question stacking on top of the first before he'd had time to answer either, and something in him responded to it immediately, protectively, in a way that surprised him with its speed.

LUCAS: It's probably not cardiac. More likely behavioral. I'll come look at him.

MIA: you don't have to

LUCAS: I want to.

He was at her door within fifteen minutes, still in his work clothes, stethoscope forgotten around his neck from the last patient of the day, and Mia opened the door looking genuinely relieved to see him, an expression that landed somewhere warm and unguarded in his chest before he'd had time to catalogue it properly.

"He's still up there," she said, gesturing toward the refrigerator, where Barnaby sat in magnificent, unmoving silhouette against the kitchen light, tail curled with the specific composure of an animal who had made a decision and intended to stand by it regardless of consequences.

Lucas approached slowly, speaking to the cat in the low, even tone Mia had teased him about days earlier, running through a mental checklist even as he did -- breathing rate normal, posture alert rather than hunched, eyes clear. Nothing that screamed emergency. Just a cat who had, for reasons neither of them could immediately identify, decided the rules had changed.

"He's not sick," Lucas said finally, some of the tension leaving his shoulders. "His vitals look fine from here. This looks like a preference issue, not a medical one."

"A preference issue."

"He's protesting something. Cats do this. It's usually about food brand, routine disruption, or attention-seeking." He paused, running back through the events of the day, and something clicked into place with the particular satisfaction of a diagnosis confirmed. "We switched brands this morning. That might be it."

"So he's on a hunger strike over kibble."

"Essentially, yes."

Mia looked up at the cat, who stared back down at both of them with the flat, unblinking judgment of a creature entirely secure in the righteousness of his own cause. "He's going to make us suffer for this, isn't he."

"Almost certainly," Lucas said, and something in the shared, exhausted amusement of the moment -- both of them standing in a kitchen at seven at night, worried over a cat's dietary opinions with the same intensity most people reserved for actual emergencies -- settled into something that felt, unmistakably, like the beginning of a habit neither of them had signed up for on paper but had somehow, already, started living anyway.

"So what's the fix," Mia asked. "Do we go back to the old brand? Bribe him? Stage an intervention?"

"We give it one more meal. If he's still refusing by morning, we reassess." Lucas glanced up at Barnaby, who had not moved an inch since they'd started talking about him. "He won't starve himself over one skipped dinner. He has more than enough reserves to weather a protest."

"That's not very nice."

"It's accurate."

"You could soften it a little. For his feelings."

"He's a cat, Mia."

"A cat with feelings, apparently, strong enough to boycott dinner. Show some respect." She was smiling as she said it, and Lucas, watching her stand in her kitchen defending a sulking cat's emotional interior life with total conviction, found himself smiling back before he'd consciously decided to.

"Noted," he said. "I'll show him more respect. Starting with dinner tomorrow."

He left an hour later than he'd intended, Barnaby still perched atop the refrigerator in unmoved protest, and the last thing Mia saw before closing the door was Lucas glancing back once, toward the top of the fridge, with an expression far too fond for a man who claimed, repeatedly and unconvincingly, that this was purely a professional obligation.