[He notices, of course; in turn he doesn't put as much effort into the small habits he's learned that make other people more comfortable in his presence. He doesn't look away more often, doesn't let his shoulders slouch or his expression tend more towards reserved than neutral. Doesn't do anything about the intent narrowing of his eyes or worry about the fact that he doesn't smile, doesn't frown, doesn't anything even a fraction of the amount other people do.

He cocks his head, too, warming slightly at the mirrored motions, peering intently at her bow without coming much closer.]

I remember when Mark Lilly asked about dancing before. I was interested but I still have never done anything of the sort, ma'am.

[Which is, when you're Ben, the equivalent of a replying bow. Probably.]