wisdom of the "ages"

I was sitting at dinner one night with the children.
Jack was talking about how he had heard that you should do many different sports when you were young, so you would be good at sports when you're old.

"I was under the impression that you [my parents] wouldn't let me wrestle until middle school.

But I am pretty sure middle school is too late to be young."

This was a paraphrase of Jack written by Stuart.