I find that when I'm going through those periods, the longer I'm by myself the harder it is too pull myself out of the well. Going out to movies, or dinner, or whatever with friends - doing something fun that makes you laugh. That helps a lot - and if the weather's nice, try to spend as much time out of doors as you can. Hope that helps some. :)
*hug* <-- for Hunter. Plenty of time for the year to get better, hon. Don't let it get you down.