i was a coward and terminated over e-mail with my T. we were just going around and around in circles, and i know she was trying--but i was over feeling so stuck. I just wrote her an email saying that I wouldn't be coming back. She wrote back saying she would like to meet at least once more so we could discuss it, and I (think) I wrote back saying no thanks
I feel mildly guilty about it, but i would have never told her the real reasons i felt so stuck, so it seemed pointless.
With my current T, if I felt like I was going nowhere, I think i'd be more honest. It was different from the very first session, and in a year we've gone a LOT farther than the previous 5 with my other T.