You should just feel grateful that I cannot always control the universe with my mind. (Picture of a Pterodactyl about to attack an innocent-looking man.)
The worst thing about people being sad is the way they try to make you the scapegoat. "I'm sad because of you. I'm sad because I don't have a sofa anymore. I'm sad because we had to call fire-fighters to the house." My point here is that people wouldn't need to feel sad if they didn't buy brown sofas in the first place. Here is an ecard with a pterodactyl on it.