Yes this happens to me. Or sometimes I will remember him saying something or myself answering, and I have no idea how we got to that point. I think he said it was dissociation, is that what they meant by shutting down? Either that we are talking about something traumatic so we are dissociating or maybe just overwhelmed with the pace of conversation. A part of you would still be there and could communicate with them.

Sometimes I feel extremely vulnerable in session because he's so present with me, I can feel myself starting to drift away, even though I don't want to.