Hi Kendyll,
That's wonderful that he has someone who is trying to help. I hope it will help him.
Just remember, it's all him when it comes down to it, though I do understand his and your feeling that they are different due to the separations in the brain and the differences in the parts.
My T has said she really likes me, all of me (even the parts that aren't as- sociable, in her words

). It's hard for me to think it's all me sometimes because I don't know much about the other parts of me outside of what I hear. It's a pretty weird thing for me sometimes.
Hopefully one day soon, your bf's parts will be more together and this won't be quite such a problem. You are a brave and wonderful woman to be so supportive to him. I wish you the best of luck.
PS. I love your signature quote!