The man watched her hands. Most customers looked at their phones while they waited. He watched.
She built the drink in layers. Steam wand into milk, swirl to break the foam, two quick taps against the counter. Her left hand already reaching for the cup while her right settled the pitcher. No wasted motion. Not efficiency exactly — more like a river taking the path it had carved for itself over years.
He came in every morning. Large latte, no modifications. She knew this the way she knew the Tuesday produce delivery or the loose hinge on the bathroom door — as furniture of the week. He paid, stepped aside, and watched.
She didn't mind. Some customers watched the process with the polite curiosity of people touring a factory. He watched differently. Like someone listening to music they'd heard before, tracking a particular instrument.
On Thursday her wrist seized. Just for a moment — a bright thread of pain from the base of her thumb to somewhere past her elbow. She switched hands, finished the drink, set it on the counter. The whole thing took four seconds.
"You should ice that tonight," he said, picking up his cup.
She looked at him. Really looked, for the first time. Older than she'd assumed. Hands that had their own story — two crooked fingers on the left, a scar across the right palm like a second lifeline.
"I'm fine," she said.
"You compensated before the pain registered. That's practice, not fine. That's your body routing around something it already knows is there."
The next customer stepped up. He left. She made the next drink and the next, and her wrist didn't seize again, and she iced it that night anyway.
He was right. She'd been routing around it for weeks. The compensation was so smooth she'd stopped noticing it was compensation. Her body had optimized for the injury before her mind had registered the injury existed.
On Friday she wore a brace. He noticed, of course. Said nothing. Ordered his latte.
She made it with her right hand leading, the way she'd learned, before the left hand had become the practiced one, before the practice had become the routing, before the routing had become invisible.
It was slower. The milk wasn't as good. She could feel the seams.
"Better," he said.
She almost asked what he meant. But she knew. The drink was worse and she was better. The seams were showing because the compensation had stopped. What was smooth had been a symptom. What was clumsy was the actual hand, doing actual work, without the elegant detour that had hidden the damage.
He came in on Monday without the crooked fingers. She noticed because she was watching now — looking at hands the way he'd taught her to look, without meaning to teach anything.
Prosthetic. Both hands. She'd been seen all this time by someone who knew exactly what invisible compensation looked like, because his hands were nothing but.