Both my ex-T and current T have expressed frustration at some point by the fact that "I'm too resistant" and usually have a big difficulty opening up and trusting them.

Ex-T once said something like "I want to help you but you're not letting me". Another time (after I had been seeing her for 3 years) she suggested that maybe I could try seeing a new T instead. She said this out of a sudden, and it hurt bc I felt unimportant and like she didn't want to keep working with me. Then the following week she said I could keep seeing her and that she belive she could help me. (though I always felt like she had given up on me long time ago).

Current T said he's been working as a T for 12 years and he's never had a client be so resistant.
We once did an exercise that he said he usually uses with couples; where we had to sit "back to back", without seeing each other's faces and say everything that was getting us frustrated/bothered us about the other.
It felt weird and kind of violent at first, but I found it helpful in the end