Once boys' and men's challenges are clear the question 'why now' quickly becomes 'why didn't we see this sooner?' The answer? Virtually every society that survived did so by socializing its sons to be disposable.
It's a funny thing because you look at the careers of other filmmakers and you see them sort of slow down and you realize maybe this becomes harder to do as you get older. That's sort of a cautionary thing. I hope it doesn't happen to me.