"That's the way I see it. And here we are, survivors of some great disaster, needing to re-build our world. It should be interesting to discover how people cope."

So he didn't believe that his 'dream' life was a lie and that his current reality was all he'd ever truly known in a physical sense, but that was no reason not to play along until he was in a better position to research it more fully. That, and his interest was honest enough; he couldn't imagine that everyone who woke up to this story would deal with it as calmly as he had; the results on their mental state could be interesting, as far as he was concerned.