Keith Barry

You see guys going up to girls in bars and saying, 'Oh, can I show you a trick?' It's a tool. I find it kind of sad; it breaks my heart a little bit. They should try to use their own personalities. It sort of smacks of using magic as a crutch, which is not what it should be.

Hypnosis is about shutting down the conscious mind and re-igniting the unconscious and the imagination, so while I give instructions to them under hypnosis, the contestants might interpret those instructions in all kinds of ways.

I have to stay in shape for the physical endeavour stunts I do. I work out a lot. I have a personal trainer. I go two or three times a week. I'm on a diet where I photograph everything I eat and send it to her.

Some computers have security software that make it impossible to hack into, and it's the same with brains - some malfunction, and some, you can't hack into them at all.