I'm sorry you are struggling with this. I have not yet gotten to that point with a t, but have had some help through transference stuff in the past. One t was incredibly kind, and still is though I don't see her at the moment. It makes the feelings harder a bit to deal with, but she's good about helping me separate out what's ok and what's too much. She keeps certain boundaries, but she also reminds me that there are things ok to ask for within those boundaries.
I hope you can work through it with the help of your t. I have found really strong feelings like that only go away for me if I keep facing them instead of running from them. I would imagine leaving t right now would not give you any really meaningful skills to get through the obsessions...