Hi Peaches,

I am just now reading this and something jumped out at me, I wonder if it is worth thinking about...

you said >>> >>> I know that while you want to help me, you don’t feel attached or love me like a parent. It’s a horrible, painful reality I have to learn. I have to stop wanting it. There’s nobody who could ever love child parts that way. If I could get rid of the child parts, I could get rid of the desire and need. <<<

there's nobody? There's you, Peaches.
.
Have you ever tried John Bradshaw's exercise for getting in touch with your inner child? It's probably in his book "The Shame that Binds" (which I didn't care for really, except for this part). I gather it's some sort of self hypnosis, or similar; but the point of it is for adult Peaches to meet little Peaches at some age and to talk to her; to say,
I am here, little one,
I know you and care about you like no one else ever could (or did, if that's your case);
I will listen to you when no one else can;
I am never going away from you,
I will always be here for you.

do you think your T could help you into that? You can no more get rid of the little Peaches than you can change the past. If it were possible to do so, you would not be the person you are today.

this may not be what you are needing to hear but I thought maybe it would help. You say, "no need to answer, T," but I sense that you really really reeeeeeeallllllyyyyy do want T to go into this with you to a very deep level.
Be brave - I know this is a big challenge - hugs to you