Monogamy is a possibility - and a necessity. Kids have got to have something they can rely on. You have got to have something you rely on.
One of the things I've realised is that I am very simple. My wife asked me once if I loved her. I said: 'Look love, I'm a simple man. I love you. End of story.' But I guess you gotta keep saying it with women. I guess she needed reassurance.
Quantum physics is a bit of a passion of mine. It's extraordinary. There's a branch of mathematics that is based on lunacy, and that's wonderful.