I feel that accepting it might be the only thing we can do at the moment. It's hard to act on something if you don't have any evidence proving it exists in the first place.

[Admitting to a degree of helplessness doesn't seem to put him off as much as it could. Having anything worth doing or working on is liberating enough on its own, even if it's just one big thought experiment.]

If everything we see took place in the past...our past, as opposed to some other version of ourselves...then it means we were somewhere that we're not anymore.

[That...perhaps nothing about their earlier history is true? That part gets to him suddenly, less because it's disturbing and more because he just suddenly finds himself confused about the premise for no particular reason. A quiet, suppressed part of himself thinks: It's happening again...

He frowns (and odd face on him, to be sure) and looks down at his note pad, and taps his pen against his chin.]

That doesn't make sense.