The best thing I've learned is, if you're going out, never go out alone - you leave yourself vulnerable. If you've got someone else there you trust, they can say, be wary of that person. I probably used to be too trusting of people.
That's what fame does to you. You acquire another self.
People tell me I look mournful. They say, 'Cheer up, Dan, it's not that bad!' Sometimes I just look into space, which freaks people out. If I was ever required to do anything other than look haunted, I could. I'm a happy person.
My dad's got a brilliant eye for scripts 'cos he's a literary agent. He and my agent read a load of scripts and filter them.