In the first Spider-Man, at the end of the movie, Peter Parker had to deny himself a relationship with a girl that he's in love with. The very next thing that happens is that he's swinging through the city. ↗
War is not the quintessential emergency in which man has to prove himself, as my generation learned at its school desks in the days of the Kaiser; rather, peace is the emergency in which we all have to prove ourselves. ↗