I have someone I feel that way about (also not my T but someone extremely kind and helpful) and sometimes I'll draft an email to her and then save the draft, not send it. I might go back and add to it or start a new one. It helps a lot with the immediate need for contact with her. Getting my thoughts or worries written down helps a lot.

She also told me once that I think I am "too much" for her and that I'm not.

Your T is strong and he can deal with all of you, so just go ahead and be you and work through this with him. He sounds very accepting and patient and caring.