It seems rational to want to exist to day N+1 if you presume there's any chance that any present-day problems you have will be resolvable. Suffering may be into

It seems rational to want to exist to day N+1 if you presume there's any chance that any present-day problems you have will be resolvable. Suffering may be intolerable, of course, but hope that it may one day end while still remaining alive would be a strong force in a world where life can be indefinitely extended.