The truth is that no one who hasn't actually experienced the senseless chaos and violence of combat can possibly understand it, but those who have and who try to explain it to the rest of us are offering us a precious gift: a part of their soul that's been scorched in the flames of Hell. It's a little like trying to describe music to the deaf or color to the blind ... to make the irrational somewhat sensible, which is always confusing and frustrating, and ultimately futile.