What defines your life? What are you? You are what you're good at.
Many people live only one life, doing only one thing until they are no longer able to. Some even less: a promising sportsman who had to quit early because of a trauma may live the rest of his life as a ghost of his former self.
It takes up to 7 years to excel in a trade (not in all but most). Our society provides a sure way to check: if you can live off your profession then you're good.
By that logic I'm on my fifth life now.
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