Please help me.

I hate my stepdad so fucking much he’s so disrespectful towards my mom and I don’t know why the fuck she won’t leave him she’s so stupid. They fight every single day all the time and he’s a fucking alcoholic. It pisses me if so much I don’t want to be at her house anymore like grow the fuck up and leave each other.

How can I make her stupid ass get some sense and leave that dickhead?? She’s wasted 3 years of her life on that prick and it’s getting on my nerves. She deserves so much better and she knows that.