Steve's pupils are blown, black crowding out blue. He puts his hands on the table on either side of Tony's hips, just holding on for the moment, watching his face. His breath hitches when Tony flicks open the button, hips giving just the slightest twitch, beyond his conscious control.

"So, are you saying I should be grateful you let me in?" He lets his forehead rest on Tony's shoulder for a moment, nuzzling the crook of his neck. "Or that I have to sweet-talk you into letting me back out, if I ever want to leave?"

Shiver. Is this still idle banter, or the start of a more serious game? Either way, Steve is interested.