Alas Sisyphus

Think of all the times you've said: If only I'd known THEN what I know NOW! Well, what if you did?

If when you died, you suddenly found yourself starting over, in a new body in the future, what would you become? What if it happened again? And then again? And then again after that?

Would it be wonderful or endless torment?

This is the story of a man to whom this happens.