Mouse, I can relate. I'd definitely talk to t about it, this is the stuff therapy is made up of

It's nice and dandy to talk about how we feel vis a vis our relationships with people outside the therapy room, but the real work is the working through of the transference, and that means talking about the stuff that comes up between t and yourself. It is very hard to do that, but if you can get yourself to do it you will feel a whole lot better. Based on your posts I get the sense that you have quite a competent and experienced t, which makes it easy to trust that she will respond with sensitivity and compassion to your self-disclosure. Go for it, girl! And please do let us know how it went