In war, people find themselves in extraordinary circumstances, and in those circumstances, they act in extraordinary ways. In war, you see people at their very best and their very worst, acting in ways you could never imagine. War is human drama at its most epic and most intense.
It's so jarring to go from Baghdad to Cambridge, to go from a place where people are fighting and striving and dying to a place where the biggest concern is what kind of cheese to put in your sandwich.