My first reaction when I read your post was...man, this sounds just like my family of origin: nothing you have to say is important, you are not important, no one cares about you. So basically, my take is that you are really angry, to the point of being emotionally abusive toward yourself. There is no win here for anyone, especially not you, but I'm guessing you know that and that's why you're sharing this.

Either your therapist is just not right for you, in which case, it might be worth trying another one, or you could take a big leap and risk letting him know you want to change your experience in therapy, even if it means he gets something out of doing a good job. People have come up with lots of great suggestions to do different things during session, but like Elio said, you've got to really be clear about what you want.