Animals keep you company when you're really lonely. It helps because when you have a friend around who always likes you no matter what - it's harder to feel bad or down.
“And if you're a golfer and you watch a golf film and Matt Damon swing, and it's not great, then you're not going to believe in the golf story, you're not going to believe in the rest of the film. That's the whole movie, so if that swing looks like crap, the movie's crap.”