I’m worried about my mom

Sounds like perhaps your family should try to have a sit-down, with everyone present who has a concern. It can be difficult, I know, and with my own father it never would have worked. But if the sibs and you can band together and say to your parents "This is our concern, this is what we see, and we love you both and are worried," then unless they're both in total denial, it will at least establish a dialogue. If they're too far in denial right now, then there really is very little you can do except keep an eye on the situation. Trying to goad either of them into a divorce that they clearly don't really want is just setting yourself up as an enemy, no one likes to have the terms of their relationship dictated by an outside party. The closest to that I would suggest you get is to see if one of your sibs would tell your mom that if she ever felt like she needed a place to go, she could come stay with them (you too, if you're a teenager still.)Accept that what you think ought to happen is never quite how things will play out. And no matter what happens if you communicate your concerns and do your best, you aren't at fault. Part of growing up is realizing that your parents are both human, and humans are very good at choosing their own hell.

In a sense there isn't much you can do about your dad except asking him why he's started drinking again, but maybe you should try talking to your mom. Ask her specifically why she wants to stay with him and discuss the dangers if she does.

I also think that you should talk to your mum about how you feel. My father was violent, but it still took many years before my mum finally got divorce. It's a huge step to make, and I'm sure your mum is struggling whether to get divorce or stay together. Especially when she still loves your father. You should ask her, why won't she get a divorce, what's holding her? Maybe she's also worried about children. Talk to her, and tell about your feelings, I think that's the only solution.

I would be just as worried! If he's an asshole and a drunk nobody knows what he'll do. I think she should leave but you can't make that happen. Just try to live your life. It's hard when other people are making bad desitioins....just try hard to live...I went through a similar thing....

Im sorry that you are in that situation, and i think that its important that you dont put to much presure on yourself. I can really understand that you are worried about youre mom, because who would not be. But when alcoholism is involved the best thing you can do is to get someone profetional to help. That is really the only advice i can give to you. Hope things get better for you and your family.