Honestly I don't really have any idea what might be going on here. However my thinking with regard to it is that perhaps your resistance might be the result of the sudden change? I don't know a lot about the various therapies or the therapy process. But the apparently abrupt change in the direction of your therapy seems troubling to me on the surface. I think if I were to have a similar experience, I'd be feeling some resistance too. I imagine the correct thing to do, though, is to talk how you are feeling through with your therapist which is what you mentioned you plan to do. Here's a link to an article, from PC's archives, that offers tips for talking with your therapist:

Tips for Talking to Your Therapist