Maybe it isn't. Or maybe you've got to find them.

But I think I went to sleep and I was still alive, so, I'm hopeful that neither of us are dead.

[ But his other thought is that maybe Caleb is a dream, and in which case, he doesn't need for Steve to assure him of anything. Yet, Steve still feels like he ought to, just in case Caleb is real. ]

I'll tell you what, I'm done with classes for the day. Why don't I help you look for them?