Entrepreneurs need to be made of a different metal from the rest of the world. You have to have the courage of your convictions; you need to be irrationally optimistic; you need to be resilient; you need to be willing to accept the fact that most people will not understand what you're trying to do; and you need to willing to take risks, because you have a bee in your bonnet, which you want to pursue more than anything else in the world.