His expression lights up, just a little, when Steve leans against him like that. He doesn't exactly realize he's doing it, but he knows the way it makes him want to shift closer - and he tells himself that Steve's just being friendly, that he shouldn't push it.

But he still stays where he is for a long moment. "Don't think of it as worrying, just think of it as me wanting you to be happy. Anything I find out that's gonna do that is good in my book."

Especially when it involves something about Sam himself, or something Sam can do. He leans over to flip the steaks, giving a chuckle to bring himself back to the more comfortable banter as he asks, "We can add one more to the list, how do you like your steak?"