She makes a second pass so one look can read as a pattern
The first time she crosses his line of sight, the room can take the blame. Too packed, too loud, somebody shoving a chair back, a friend towing her past the bar.
The second time reads differently. She comes back through the same narrow strip of floor with no real errand attached. Maybe she checks the mirror behind him. Maybe she reaches for a napkin she could easily have taken earlier. She does not need to look right at him; in fact she may make a small point of not doing it.
That is the cover story. If he caught the first pass, the repeat hands him something to work with without handing over a signed invitation.
The adjustment is timed to his eyes, not to her comfort
A strap that genuinely bothers her gets fiddled with all evening. A strap touched exactly once, right after his eyes land there, is doing a very different job.
It might be a necklace nudged to centre with two fingers, hair swept off one shoulder, lipstick checked in the black mirror of her phone. Small things. Easy to deny. That is exactly why they work in a room full of people.
She gives him somewhere to look, then turns straight back to laughing at whatever her friend said. If the friend clocks it and hides a smile in her glass, the message most likely landed.
She lets the eye contact fade instead of cutting it off
Most people snap eye contact off fast. It is simpler that way. Nobody has to work out what it meant.
She lets it rest one beat too long. Not a stare, not some across-the-room movie glare. Just enough that the glance stops looking like an accident. Her eyes meet his, her mouth almost moves, and then she drops them to her drink instead of yanking away.
Nothing else in the room shifts. Same table, same noise, same unflattering light. Still, he feels the pause, because it left the next move sitting in his lap.
The conversation grows corners only he can hear
The group is busy with ordinary group things: where to head next, who got the wrong drink, why the music sounds like a speaker on its last legs.
Then she slips in a line that is technically for the table but aimed far too neatly at him. ‘Some men pretend not to notice a thing.’ Or, ‘I nearly wore the other dress.’ Or a question that only lands because of something he said ten minutes back.
The table keeps rolling, but the sentence quietly narrows. Sometimes her friend catches it and goes still for half a second. That tiny gap of silence says plenty.