Three? So...you're used to the whole multiple world...thing. Kind of.

[Nash scratches the back of his head. Ah, this part's never easy nor all that fun to explain.]

We~ll... You see, you've "Woken up" here, which would imply that you'd been dreaming prior to. Going back won't feel the same. You'll be able to see everything of your world and what you do, but it will be more like you're just watching yourself doing things rather than actually actively making yourself do them. Oh, but it's still you doing everything, of course.