How to move forward from finding out my husband has been discussing to his sister about every aspect of my married life to everything to do with me?

Just found out my husband was sharing every private conversation between me & him, and incidents that happened regarding me at my inlaws house to his sister. I just randomly decided to go through his chat and it revealed so much. He always had a close bond with his sister, but it came to the point he was gossiping about me, my mum and family. Making me look extremely bad and discussing every aspect of my personal conversations with him like my contractions, sending screenshots of personal convos with me, and her saying stuff bad stuff about me to him. The sister and mum telling him what to do all the time, and what not to do in my marriage.

The problem is my husband used to argue with me and neglect me during my pregnancy by arguing with me over discussions he and his family had over me and over they wanted me to do like i didn't wanna cut my sons hair for instance, and they'd argue with me for it. He would wanna pressurise me to do things their way and I'd always refused when I realise their doing it to me and trying to control and force me to do things am not comfortable with.

They were even bashing my mum as they hate her even my husband. Where during my near birth time, his sister was making sure my mil tags along purposely. When me and my husband were about to go with my mum to the hospital, and made it into a game and competition that day to stop my mum from going. The sad thing is he never treated me right from the begining. They had at least 30 separate convos discussing me about different times, and I confronted him over it, and his apologised, but it's not enough for me as he has breached my trust with him fully and i feel betrayed and had enough of the disloyalty.

His sister and my husband both stopped talking to each other about our marriage midway now as her husband doesn't approve of her getting involved. This made my relationship with my husband sour right now as it was a lot of hurtful comments and rude remarks he made about my family and myself.

How to move forward from finding out my husband has been discussing to his sister about every aspect of my married life to everything to do with me?
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