Think back to yourself at age 18. I know I was mighty different than the Patti I am today. As we grow up we grow out of our haircuts our apartments and - often times - our romantic decisions.
Paul McCartney had a baby when he was 61 Rod Stewart was 66 Rupert Murdoch was a stunning 72. Not only does that mean they'll have less stamina than the average dad that means they'll well check out a lot sooner too.