Tony stared at their hands in silence for a moment, just ... watching the way their fingers tangled together. The way he thought they were supposed to, and how it was something he'd wanted for years and years and then had hated himself for wanting still when Steve had broken his heart in the most literal sense ever in Siberia.
He wetted his lips, glanced away from a moment while he tried gathering his thoughts, getting himself to focus up a bit instead of thinking of the hows and whys and what ifs. He had enough What ifs in his life right now where another might just topple him.
Finally, he let out a little sniff of a noise, quite possibly a laugh. He did not pull away from Steve's touch, even if he didn't initiate more, not yet. "Giving yourself away to people who don't want you -- that'd be wildly unhealthy, you know." As if Tony hadn't done it in the past. But right now, he was mostly teasing, trying to get back to a place of comfort for the both of them.