I like SuperWoman's idea of writing a letter to your ex-T, just to let those emotions out. Allow yourself to say whatever you're holding inside ~ get it on paper. Perhaps that will help you work through the pain that you're feeling.

Was your therapy with your ex-T suddenly stopped? Just curious if you and your T discussed the end of T and went through closure emotions at all. If not, well, then your emotions make perfect sense to me. And maybe what you have written down needs to be shared with your new T. I'm not sure that sharing your thoughts and feelings with your ex-T would be helpful to you. I'd fear the emotions becoming more intense and a larger part of your life...which would be taking a couple of steps back.

Hope that the writing provides you with the closure you need. Best wishes to you!