Why can't you see the T you've got a good relationship with and have seen for a long time? Is it due to finances, or another reason? A lot of things can be overcome, and if that T helped you - try to find a way to continue seeing them.

Don't quit the new T. Let them help you. Get yourself admitted if you think that may help - you sound like you're in a bad spot emotionally. What are YOUR reasons for wanting to get better? What strategies have you learned to keep yourself safe and fighting back against the urge to restrict food?