I remember early on with No. 1, it seemed like all the odd-numbered sessions were productive, all the even-numbered ones, not so much. Now they're all just painful.
And who believes in instant termination? Not a good idea in my book unless the therapist is in danger or suddenly taken very ill.
As for the therapists we need, not the ones we want, I had a number of teachers like that, and in retrospect they were the best teachers I had. Though I disliked some of them mightily at the time.
Even if you take one step back for every two steps forward, the momentum is still forward.