Yeah, I think we're probably here for the long haul. People do come and go, but until we help get the universe put back together I don't think it's more than being frozen back into the spot you left. It does sometimes mean you'll see different versions of the same person, though. Not at the same time, I think, but people you knew might suddenly not know you or someone might who you have no idea about. It can get kinda confusing with the mixed timelines of different versions coming in. Time travel is a mess.
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Yeah, I think we're probably here for the long haul. People do come and go, but until we help get the universe put back together I don't think it's more than being frozen back into the spot you left. It does sometimes mean you'll see different versions of the same person, though. Not at the same time, I think, but people you knew might suddenly not know you or someone might who you have no idea about. It can get kinda confusing with the mixed timelines of different versions coming in. Time travel is a mess.