The last time Sam had seen Dean, they'd left on somewhat uncomfortable terms, so. Here's Sam, still looking mildly uncomfortable, running a hand over his face. Well, as bizarre as all this was, maybe a change of pace--even one as strange as this--would be beneficial. Somehow.

He heaves a sigh, bobbing his head in a nod.

"Sounds good to me," he replies, sticking his hands in his pockets.