[He forces a smile too, all too aware of the precariousness of the moment. It's all right; it will be all right, somehow. Somehow he'll figure out how to explain the fact that he's from the future. Because, you know, he always seems so sane.]

Yup. I'm making the ultimate sacrifice and crashing on the couch.

[He grins, because, well. He does that most of the time anyway. He might have made a crack about sharing, but suddenly that feels too inappropriate.]