Hey OP, apologies for this delayed reply to your last reply to what I asked. I wanted to make sure I had time to respond properly.
Yes, sure, 'the relationship is the client'. But your relationship is made up of two people, with two different backgrounds, brains, personalities, experiences and associated feelings. Couples therapy should take all of that into account and view things through the lens of the relationship, and how all those differences interact. How can she witness the way your individual emotions and feelings interact, and objectively examine them for discussion, when only one of you is present? That wasn't couples therapy, that was individual therapy.
The sisterhood comment was patronising and weird. Minimisation and dismissal of your feelings.
'Most women would just be happy for a nice meal out' is more minimisation, and does indicate he would rather you didn't feel strongly about things... that would be nice and easy for him.
He doesn't accept that rape culture is a thing... I suppose possibly because to see and understand it, you'd have to have experienced it, or have empathy.
It sounds like a real lack of empathy from your partner, with very little emotional intelligence and depth. I'm really sorry, those are abilities and skills that are difficult to learn, and it doesn't seem like he even knows he is lacking...
My sons dad also tried to make me believe that I had PND after he was born. Actually, I was just upset with him for his lack of support and terrible selfish attitude and decisions that impacted me and our future significantly. Pathologising reasonable reactions to stressful circumstances is just scapegoating, at best. It actually felt more like emotional abuse. "I can do shitty things, and if you're upset and hurt, then you need medication" essentially. Lovely.
We did split up due to the way he saw things and behaved.
I think an emotional affair with a coworker was also on the cards, but I sniffed it out a mile off (he denied it) and he seemed to drop it before it got anywhere... the mentionitis disappeared, anyway. He did sleep with her during the split, however! Funny, that.
We got back together around 18 months later, which had given him time to have a long hard look at himself, and I'd strengthened my own boundaries. He also had to watch me attempt to move on. He was angry at first and acted like a twat, then when he realised I was serious about the split, he was devastated. My party line never changed. Until he took accountability for the ways he hurt me and by extension our son, and started to truly see me and respect me, alongside making significant lifestyle changes, I was done.
It took a while, and I actually didn't think we would get back together at all.
He can still be selfish and uncaring at times. It really does feel like the parts of his brain that are responsible for certain types of empathy have limited connectivity. Maybe that's the same for your husband.
He's just learnt to respect me more now, I think, so when I point it out it seems to register more and his behaviour improves.
I'd have to agree with your former therapists. I do think it's your partner who needs the individual therapy, but talking therapy is probably just going to keep him intellectualising his emotions. It's a shame MDMA assisted couples therapy isn't more available, he wouldn't be able to escape feeling his feelings and empathy then!
I wish you the best of luck with however things materialise for you and happiness for the future, whether that's with someone else or just being without this disconnected relationship.