The silence feels like it lasts forever, even though it doesn't. He feels Sam shift against him, not pulling away, but certainly sitting up a little straighter. Bucky wonders if he's getting tired; that won't be a good sign.

"Anything's possible, I mean, look how far we've come." From Bucky trying to kill him to... whatever the hell they were now. Friends, sure, but... that word just doesn't have the right weight to it, for some reason. Maybe it's just the situation making everything seem like not enough, though.