" But how many young people truly comprehend the face of war until it's staring them down? You can't patrol unfriendly villages without embracing paranoia. You can't watch your battle buddies blown to bits without jonesing for revenge. You can't take a blow to the helmet without learning to duck. And you can't put people in your crosshairs, celebrate dropping them to the ground, without catching a little bloodlust. Paranoia. Revenge. Bloodlust. These things turn boys into men. But what kind of men? "

― Ellen Hopkins , Collateral