One writer tries to capture this aspect of the Afghan War. He writes about rocket attacks on FOB Shank and then goes on to discuss PTSD. He explains to us that returning combat veterans see life a little bit different from the other 99% of the U.S. population who are not in the military. And he explains PTSD in a different manner than I have heard before; but with which I can certainly understand.
Read Nolan Peterson's piece entitled "Why soldiers miss war", posted on Blue Force Tracker, January 4, 2015.