Civilians balk at recognizing that one of the most traumatic things about combat is having to give it up. War is so obviously evil and wrong that the idea there could be anything good to it almost feels like a profanity. And yet throughout history, men like Mac and Rice and O’Byrne have come home to find themselves desperately missing what should have been the worst experience of their lives. To a combat vet, the civilian world can seem frivolous and dull, with very little at stake and all the wrong people in power.

