When I'm down I love re-reading my Star Trek novels.....to go when no one has gone before, with a familiar group of protagonists. I re-read British mysteries too...miss Marple anyone, and though he isn't British Ellory Queen from the 30's and 40's I have hundreds of books it's always my to go method of losing myself but I have a couple movies I watch and re-watch when I'm down too. Golden Compass, Riverworld, Ohhh can't think of the name, the protagonist is depressed and is in synchronized to the end of the world when another planet crashes into earth.