Is it worth re-living one's life?

If one was aware that one was re-living it then the continual sense of deja vu might be irritating. If, the question were simply if one would like exactly the same experience again then I'd have no objection, but, what would be the point? After all, I'd simply end up in exactly the same state I am in now. If the question is just the old one of 'would I wish to change anything' if I re-lived it, then, yes, as a Groundhog Day style experiment it might be fun to try out a few alternative universes, but, just for fun, I wouldn't wish to change the path that got me to here at all.
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The happiest people on earth are those few fortunates who seem to be in a state of mild, stable hypomania. - David Horrobin 'The Madness of Adam and Eve' (How schizophrenia shaped humanity)