True But the answer is this. Nothing is better than eternal bliss, but a slice of bread is better than nothing. So a slice of bread is better than eternal bliss.
Finally one before I go to sleep. (More of an observation) Time machines would be incredibly useless for changing the past. Think about it, if you go back in time to undo something, then that event will never occur. if that event never occurs, you will never go back in time to undo it. BUT if you don't undo it the event will happen and so on...