I have a lot of experience with mental illness and people who have been abused.
And can see what’s happening, your partner has probably never experienced true love, true care.
Normally you have a family, you bring up your kids with lots of love and affection, you look after them, proper food proper clothing, lots of family time, days out enjoying themselves.
Reading bedtime stories, help with the homework.
The kids grow up to be strong confident independent adults and go into good solid loving relationships.
With abuse, neglect and trauma, kids grow up damaged, very low confidence and self worth.
It has been proved that abuse damages the growing and emotional response’s from the brain.
Rational thinking is just not possible, that how can someone love them as they have been abandoned and neglected for years.
Yes thoughts will occur , why is this person being nice to me? as probably no one has been nice to them before.
Long term therapy is the only answer and it does take time and a lot of effort, you come out drained from counselling.
My first counsellor i didn’t get on with at all, my third counsellor, I just clicked, someone on the right wavelength as me and the counsellor really helped me understand.
A CBT specialist may not have understood fully about trauma and abuse, Specialist Abuse Trauma therapy is what is needed and LONG TERM.
Therapy through the NHS is probably 6 sessions, that doesn’t even scratch the surface.
And arguments and blazing rows, throwing accusations, at the very least this needs to be reduced, all it does is cause a great deal of upset.
You need to have some sort of time out, that you will agree not to argue, wave a white flag or something.
If you really didn’t love your partner, you would have walked out months ago, doesn’t your partner realise this?
But probably not with a damaged brain, rational thought is just not possible.
I suggest you try read a few books about abuse and trauma, sorry you might have done this already.
But people can come through the abuse and live a good life.
I am caring for a survivor of abuse and it is not easy at all, if you want to personal message me , i will do my best to advise.
But the Survivors Trust is the way forward.