It takes him a minute, somewhere in his own head, but he catches up to the present moment and covers Bruce's hand before he stands, too. The house is quiet and so are they; when it looks like he might say something, he doesn't. All things considered, he's not so sure what he'd have to say.

(Probably covered it with 'motherless son of a goat'.)

Halfway up the stairs, he does say, very mildly, “You know, there are easier ways to get me into bed.”