Oh, those sessions can be such a difficult burden. Sharing can, temporarily, kick up so many old fears that it feels like it must be a mistake. But it's not.
It was good you were able to share with T. Though you feel you need to be punished, you do not deserve that. You deserve every ounce of caring your T showed you, and heaps more.
Take care of yourself tonight, extra-special care, even if it doesn't feel like you deserve it.