Statistics are useful for understanding a population but not for an individual. Some people get bored without work. I have never felt bored when not working. My

Statistics are useful for understanding a population but not for an individual. Some people get bored without work. I have never felt bored when not working. My grandfathers both worked as professors until they where forced to retire due to Alzheimers. Running marathons and working into their 70s didn't stop their mental decline. Should I focus on the statistics or my genetic history?