There are all sorts of dream interpretations, Freud's being the most notorious, but I have always believed they served a simple eliminatory function, and not much more - that dreams are the psyche's way of taking a good dump every now and then.
Stephen KingGordie: Do you think I'm weird? Chris: Definitely. Gordie: No man, seriously. Am I weird? Chris: Yeah, but so what? Everybody's weird
Stephen King