[He notices, and he's sure his own smile doesn't reach his own eyes, either. Not that he means it any less, but... the conversation did take something out of him, even if he's glad they had it.]

I'll meet you at the entrance when I'm done.

[He turns to leave then, slipping out of the door quietly. At the very least, he feels a lot lighter than he did when he came in, and the wine has given him a pleasant warmth.]