This is an interesting question.
If there is a creator, then I think that the very thought of the creator is what makes the universe happen, since the creator cannot create anything in its own existing space without ceasing to be all-powerful over it. Hence, I believe that if there is such a thing as a god, then we are but a thought in the god's "conciousness", and exist exactly as the creator envisions it.
Hence, I think the creator need not want to create the universe in order to create it. The mere "thought" of the universe and its rules are enough for the existence of the universe, at least from the creator's point of view.
That's what I think anyways.







