How would you step away

I’ve posted before in this but need more advice.

Basically dad used to beat my mum, still have a good relationship with him because I’ve kept it all bottled up and am nice around him.

He’s a narcissist and codependent and pissing me off.

Example. We got him a stunning football headlines book with his favorite team and its newspapers headlines from 1919 to present day and its inscribed with his name. And remembering my grandad who loved the same team but sadly passed last year. I was so excited to give him it. He opened it. Opened the front page which was blank closed it said thank you and picked his phone up to check his Facebook birthday messages. I was so angry but me being me I didn’t say anything. I still haven’t and it was nearly a week ago. He still has not messaged about the inscription which tells me he still hasn’t looked at it. Probably dumped it in his car.

He does things like this all the time me I’m truly done with it.

I know I’m going to break his heart and he will not acknowledge he’s even done wrong and play the victim like he always does.

This is constantly playing on my mind and making my anxiety so bad. I need him away and out my life. Please give advice. Thank you x