He should have said 11-19 to give the statement a double entendre.

Four of them are prime. (-:

Aren't they? If youre on this site you're smart enough to know he doesn't mean holistically but in terms of interest and achieving things relatively young.

Most of my interests formed, solidified and shaped me in this range. 20-30 is more so improving aptitude. I am not saying people do not find new lifelong interests past this range.

haha im sure he knew that was going to be a bit unrelatable.

in general i like that he scoped his advice to his own years though. very humble thing to do despite having done more than most of us will in our lifetimes.