It is crazy even to ask what creativity is. It would be just as useful to interview a caraway plant in your garden and ask: "How did you decided to be a spice?"
I was at La Fenice opera house back in 1991 with friends, and we started talking about a conductor whom none of us liked. Somehow there was an escalation, and we started talking about how to kill him, where to kill him. This struck me as a good idea for a book.