[Another nod, and then he tries to elaborate.]

Sorta. I mean, they feel real enough. More detailed than any other dream I've had.

[There's less trees here, so he turns his head up to look at the sky. Almost as an afterthought he continues quietly.]
But at the same time, it doesn't feel like a dream at all - like watching something that's already happened. Which is stupid, because we know it hasn't.