Their worries (staying alive, missing their families, etc.) are so far beyond anything we face in our day-to-day lives ("Erection 08--who is going to give us the shaft next?", hollywood's Whores, the screen writer's guild strike, the current season of American Idol, OJ's bail, Christmas bills, or the price of gas.)
Soldiers Angels New York: No Slump for our Troops
So go sign up, or if you are already signed up, then resolve to get one friend, coworker, church acquaintance, hell, even your mailman, to give it a whirl.