As stated by Sergeant of Marines, Jon Davis (to see his full answer to How do Military Veterans feel when they return home from a combat deployment click here)-
There is residual stress that carries over from a combat deployment. While on deployment, military people deal with each other in ways that are not normal in civilian America. We are harsh with each other and don’t often act with kindness and gentleness with one another. Add this to natural combat stress, the constant concern that you may get attacked, the wondering if a vehicle near you is going to blow up, always seeing in the eye of every local that they want to kill you. You are suspicious, tightly wound, and easily angered. I remember several times waking up in my bed even a few months after deployment and panicking because I couldn’t find my weapon. You also don’t mesh well with your families. They do things you don’t understand. They do things you don’t understand, mostly because they have grown very independent of you. Many confuse this for a feeling that you are unwanted or unneeded, and this makes the returning person very irritable. Combine all these and you have an explanation as to why so many men returning from “over there” come back angry…
Third, there is a long phase where you try to adjust to having your life back. To be honest, it is never the same as before you left. You are changed by the experience of a combat deployment, even after the first. Every time you go, you change. And so does everyone else that you care about. Everyone matures naturally, but independent of each other, and you have to reintegrate into each other’s lives again. Young Marines often have a hard time keeping control; husbands fight with wives, and fathers can’t communicate with kids (and don’t be naive, this is different from those people who think it is the same as having teenagers). It takes time before everything settles down emotionally. Most people make it through this phase OK, but unfortunately, many don’t.
To help a veteran in need see the flyer below and take a look at Poplar Grove’s own Sgt. P’s Lapghans for Veterans.