ha ha ha ha ha ha ha ha ha ha Only one reality. ha ha ha ha ha ha ha ha ha.
Ok, there is but one actual time surviving happens in series parallel time individuals exist at the same time. NOW.
Personally surviving at the same time the survival of the species is only happeing here, in this atmosphere through genetic compounding chromosomes adapting in plain sight of observing everything else outside their own position of ancestry so far.
You cannot excape it, alive since conceived leaving any reproduciton at the mercy of everytingelse inhabiting space so far.
mercy is civility, not civic minded mantras "We are better than you, yours, them, they, those, theirs combined.".