What you need to know, first and last, is that so-called PTSD is not an illness. It is a normal condition for people who have been through what you have been through. The instinct to kill and war is native to humanity. It is very deeply rooted in me, as it is in you. We have rules and customs to restrain it, so that sometimes we may have peace. What you are experiencing is not an illness, but the awareness of what human nature is like deep down. It is the awareness of what life is like without the walls that protect civilization.
Those who have never been outside those walls don’t know: they can’t see. The walls form their horizon. You know what lays beyond them, and can’t forget it. What we’re going to talk about today is how to come home, back inside those walls: how to learn to trust them again. – On PTSD, or More Properly, On Coming Home by Grim at Blackfive.net
Read the whole thing.