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The silence in the diagnostics conference room was usually filled by the rhythmic *thump-tap* of House’s cane or the scratching of Chase’s pen against a legal pad. Today, the silence was heavy, architectural, and centered entirely on the man sitting in the third chair from the left.

Jules Monet didn't look like a medical titan. He didn't look like the man who had revolutionized the approach to idiopathic pulmonary fibrosis or the author of the definitive text on parasitic mimicry. He looked like a man who was trying very hard to occupy as little space as possible. His hands were folded neatly on the glass table, his gaze fixed on a microscopic scratch in the surface.

House leaned back, his heels resting on the edge of the table, inches from Monet’s pristine sleeve. He tossed a tennis ball into the air and caught it with a rhythmic, irritating *slap*.

"So," House said, his voice dripping with a manufactured boredom that usually preceded a verbal vivisection. "Cuddy finally did it. She went to the 'Broken Genius' outlet mall and picked out a centerpiece. Does it talk? Or do we just wind it up and wait for it to leak brilliance onto the carpet?"

Monet didn't look up. He didn't even blink. His breathing was shallow, rhythmic, and controlled.

"I read your paper on the Belgian outbreak," Cameron said, her voice a mixture of genuine professional awe and her trademark misplaced sympathy. "It was incredible. The way you isolated the environmental factor..."

"Oh, please," House interrupted, the ball hitting his palm with a sharper crack. "He didn't isolate it. He tripped over it while staring at the floor. Which, incidentally, he’s still doing. Hey, Jules! Is there a tiny civilization living in the laminate? Are they telling you the diagnosis? Because if they are, they’re late for the differential."

The case on the whiteboard was a mess: a twenty-four-year-old marathon runner with unexplained seizures, purple striae on the abdomen, and a sudden, violent aversion to the color yellow.

Monet’s fingers twitched. It was the first sign of life he’d shown since the orderly had practically shoved him into the room and fled as if the building were on fire. Monet reached into his pocket and pulled out a small, orange plastic bottle. He didn't check the label. He knew the label. He popped the cap, shook out a single white tablet, and swallowed it dry.

House’s eyes narrowed, tracking the movement with the predatory precision of a hawk. "Ooh, candy. What’s the flavor of the day? Vitamin B for 'Boring'? Or is it something to keep the voices from telling you to set the hospital on fire? I’m guessing the latter, given that you look like you’re vibrating at a frequency only dogs can hear."

Foreman cleared his throat, looking uncomfortable. "House, leave it alone. The man’s got a CV longer than yours. If he wants to take an aspirin, let him."

"That wasn't an aspirin," House snapped, swinging his legs off the table. He limped closer to Monet, leaning over the man’s shoulder until he was well within his personal bubble. "That was an antipsychotic. Heavy duty. The kind they give to people who think the CIA is broadcasting signals through their fillings. Tell me, Jules, are the nurses the ones who pick out your socks in the morning? Do they have to use Velcro shoes so you don't accidentally hang yourself with the laces during an episode?"

Monet finally shifted his gaze. He didn't look at House. He looked through him, his eyes focusing on a point somewhere in the hallway behind the glass wall.

"The striae are not Cushing’s," Monet said. His voice was soft, melodic, and possessed a slight French lilt that made his clinical coldness sound almost poetic. "The cortisol levels were normal in the morning draw. The seizures are focal. The aversion to yellow is a secondary neurological symptom of xanthopsia, likely caused by digitalis toxicity, but the patient isn't on heart medication."

House paused, his insult dying on his tongue for a fleeting second before he recovered. "Brilliant. He speaks. And he’s wrong. It’s obviously an environmental toxin. Probably something he’s huffing while he’s running through the woods in his little spandex shorts."

"It is not huffing," Monet replied calmly, his eyes still fixed on the distance. "It is an internal synthesis. Auto-brewery syndrome is too simple. It is a fungal overgrowth in the small intestine, triggered by the high-carb loading of a marathon runner. The fungus is producing a chemical byproduct that mimics the molecular structure of digitalis."

"You’re making things up," House said, though his mind was already racing through the chemical pathways. "You’re hallucinating a diagnosis because the real world is too loud for you. I bet you have a special room at home with padded walls and no sharp corners, don't you? Does Cuddy know she hired a man who needs a permission slip to use a butter knife?"

Chase looked between the two men. "Actually, the fungal theory could explain the striae if the byproduct is a steroid-mimic."

"Don't encourage him," House barked. He turned back to Monet, his face inches from the other man's. "What’s the matter, Jules? No comeback? No witty retort about my leg or my pill habit? You’re just going to sit there and take it? You’re like a golden retriever with a lobotomy."

Monet finally turned his head. His eyes were a startling, clear blue, but they were tired—deeply, anciently tired. "Your insults are repetitive, Dr. House. They lack the creative spark of your early publications. You rely on the shock of the taboo because you are afraid that without your cruelty, you would be indistinguishable from the mediocre doctors you despise."

The room went deathly still. Foreman looked like he wanted to applaud; Cameron looked like she wanted to cry.

House’s jaw tightened. He felt the familiar itch in his thigh, the phantom fire that only Vicodin or a victory could douse. "At least I know which world I’m living in. I don't need a chemical leash to keep me from talking to the toaster. Tell me, when you look at the whiteboard, do the letters stay still, or do they start dancing the macarena?"

Monet stood up. He did so slowly, with a deliberate grace that made House’s limp feel even more pronounced. He picked up his pill bottle and tucked it back into his pocket.

"The letters stay still," Monet said quietly. "It is the people who are difficult to keep in place. If you’ll excuse me, I need to check the patient’s stool for *Candida albicans*. I assume you can find your way to the lab, or do you need a nurse to guide your cane?"

Monet walked out of the room without looking back.

House stood there for a long moment, the tennis ball forgotten on the table. He turned to his team, his expression a mask of irritated disdain.

"Well?" House snapped. "What are you waiting for? Go follow the crazy man. If he starts eating the lab equipment, try to save the expensive stuff."

As they scrambled out, House reached for his own pill bottle. He popped two, his eyes fixed on the door where Monet had disappeared. He hated the man. He hated the way Monet didn't flinch. But mostly, he hated that the fungal theory was probably right.

"Schizophrenic," House muttered to the empty room, his voice echoing off the glass. "Great. Just what I needed. A partner who brings his own imaginary friends to the differential."

He limped toward the whiteboard, erasing Monet’s notes with a violent swipe of his hand, though the logic remained burned into his mind, as clear and intrusive as a voice he couldn't shut out.