Why Johnnie can't kill. Natural inclination to avoid the moment, by flight and/or posturing... Noted by SLA Marshall in interviews with WWII vets that only 10 - 15% actually fired their rifles at the enemy. Up to 55% in Korea, 95% in SEA.
Indoctrination being a key. Man-shaped targets in lieu of circular bulls-eyes, pop up and knockdown reactionary targets, etc. Still have the aftermath to deal with... PTDS (is that right... post trauma delayed syndrome?)
It may be psycho babble, but it's readable psycho babble and might be useful should you be forced to see the elephant.
It's one thing to kill a saber toothed tiger attacking your cave. Another to take a marauding cave man's life.
Go to a bookstore/coffeeshop. Pick one up. Brouse.
Or I can send you my copy. I probably won't be re-reading it.
