You have total control of it, and when you're an actor, you're subject to production design and costumes and directors and studio choices and producer choices, but when you're writing it, you're creating your own little world in your head, peopled with your little characters. No one is in there monkeying with it, at least not at first - though they will. With this and the other projects I'm working on, it'll have to be given away, and it'll have to be someone else's property.