I get the "blahs" as I call it, too. The computer or TV can really suck me in when I'm in one of those moods. I have to force myself to turn them off. Generally, I go outside if it's sunny. I like to walk off my moods but even if I don't walk, just being outside in the sunshine seems to help me. I think my brain needs real light instead of the light bulb stuff in the house.