I suspect she thinks it would be best to work through the attachment issue with the T because that's what she would do. I wonder if she truly understands that your T is not interested (seemingly, forgive me if I'm mistaken) in doing that. I'll bet if she understood that, she would see you; as it is, she would feel like she would be interfering in a very important part of your current therapy. She may have thought you were wanting to avoid the attachment (in spite of what you told her, you know how they are!) and she didn't want to encourage you to do something that wouldn't be helpful to you. She knows the importance of the attachment to therapy.

I am almost 3 years into my therapy that is psychodynamic/psychoanalytic. It takes time and I see it going beyond 5 years easily. There is always something to explore and the intricate matrix is complex.