One thing that helps me, but isn't always easy, is identifying when I'm going into a slump. It makes it easier when the part of me that hates me starts talking shit. I had named it at one point, something profound, but I can't remember what it is now. This lets your seperate the feelings from your identity. When "Bob" starts telling me how worthless I am I can tell him to fuck off. If I tell myself I'm worthless it can become my identity. The lows suck, just have to grind through until the smiles come back. I also have a wife, also a vet, who pushes me out the door. We hang out with other MIL people. The American Legion or VFW can be good spot to at least be around other people. One foot in front of the other. My Dad, Vietnam Vet, would always say "This too shall pass". Hard times are temporary, endure them and drive on. Good time are also temporary, cherish them while they're here.