But he wasn’t putting it on the client. He was berating himself.
"You don't trust me after 10 months so you have to go away and do research on your own disorder" (if such a thing was said) is an incredibly loaded statement for any therapist to say to a client. The gist of it is that he got offended and took it personally that something completely unrelated to him, happened. It does indeed suggest to the client that their trust levels are insufficient, or that they've done something incorrect by researching their own disorder.
It has absolutely nothing to do with the client at all, and is something he should have worked out in supervision rather than voicing in the session. Him berating himself in front of his client puts an emotional expectation on the client, and would encourage them to soothe his distress, when that is not the role of a client in a therapeutic relationship
at all. Especially because that response
itself indicates he cannot be trusted with more intense work.
Sometimes these things happen, and it isn't always an indicator that a therapist is bad at their job. It happens, and there's room for humanity in therapy from both parties.
But, he hasn't actually apologized for this or taken ownership for it if his clarification consists of literally doubling down on it. It was a poor reaction, he handled it poorly, and he appears to continue to be handling it poorly. I'm not offering any advice on what the OP should do about it, but their concern is absolutely not misplaced.
My
actual advice would be for the OP to have a very frank conversation with him about whether or not he believes dissociative disorders are real - that is more crucial than this part of it, in my opinion. If he's still talking about the "evidence for dissociative identity disorder" then I don't think he is in a place where he can be an effective therapist to the OP. In the long-term, I imagine such a relationship will only result in a lot of wasted time and pain.
Even if the OP ends up not having a dissociative disorder, the skepticism can still cause harm, since there is still
something happening symptomatically that is leading them to this conclusion in the first place. I was misdiagnosed with DDNOS, but there is no way I could have worked with a therapist that didn't believe DDNOS was real, while I thought I had it. Because I have experiences of structural fracture that
are real, they just aren't due to DDNOS.
It would make me feel disbelieved, like a liar, etc - which as a trauma patient is incredibly damaging. So I would get that out of the way before anything else.