My mum is threatening me constantly. How can I respect her if she does not respect me? How do establish boundaries?

We had an argument 2 days ago. I was just wondering how I can establish boundaries. I am moving out of her house. But I don’t deserve to be treated like this. It is hard to hold my tounge when she treats me like this.

Everytime we have a disagreement she threatens me and says I should leave. I said I will leave. Yes I will gladly find myself a place to live.

Yes they are my parents but how can I respect someone when they treat me like shit. I have made the biggest mistake. I failed my driving test twice. I had a big argument. I have booked my self a third test. In a different area, in my local area Mum said you’re wasting your time. I guarantee you will not pass. I said what an awful thing to say. I need to try to pass.

We got into a bad argument after. She said I am bully and I am forcing her to change her opinion. I said I am not forcing anyone to change their opinion. But it is not right her putting me down. She also said your relationship will end in divorce. I said no it will not, the only person I have problems with you is yourself.

I bought my parents a lavish holiday for their 30th wedding anniversary.

Next year I booked a family holiday for myself, my siblings, my parents. I have cancelled because I don’t deserve to be treated like shit

I don’t want to argue with them because they are my parents. But at the same time respect is both ways. I don’t deserve this and I never want to feel like this again

I am sick and tired of threats it is not good for my mental health

Updates
5 mo
She just blocked me on WhatsApp telling me to never contact her again.
My mum is threatening me constantly. How can I respect her if she does not respect me? How do establish boundaries?
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