[If he hadn't actually been there and seen it, experienced it for himself, he'd never believe her. As it is, he looks deeply skeptical.]

So you're telling me there's some kind of... rift... that occurs regularly, and changes everyone here? And sometimes changes everything?

[But he remembers being that man -- still the same, but not the same. He's talking to her now, but he remembers sitting with her in that, what was it, a temple?]

I suppose it's not completely impossible. Interdimensional theory...