Free Will?

I'm curious to know if any of you do NOT believe that you have "free will," in the sense that you are free to make decisions, and that you are ultimately responsible for them. Please try and keep your answer to "yes," "no," or "maybe," where "yes" means "I believe I have free will."

If you feel the need to reply with more than one word, please keep it short. Here is an example of a short argument against: If the world is pre-determined, there is no free will, and we are not responsible for our actions, but if the world is not pre-determined, then things are up to chance, and so there is no free will, and we are not responsible for our actions. (Something I read attributed this to Hume, but I'm not sure he actually said it quite this way.)

Take your time to think about your answer, and keep in mind that just because one might perceive that one has free will, it might just be a self-deception.

For what it's worth, I will go with "maybe."