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Hi I'm fifteen and have three sisters. My mom & dad are divorced. He remarried last year on July 28th. She got upset. In December they found a blood clot in her brain. Then it dissapeared..well I haven't got to the main point yet. Okay, so now my mom is a hardcore alcoholic and I can't believe a word she says. The only reason she comes to my dad's is for a beer. She seems to care more about other people she hardly knows instead of us. Two or three weeks ago my sisters and I went out to her house. She was acting really goofy and we wondered why. Later that night we found a big bottle of Vodka in her purse. That night she fell down on the bathtub, on the kitchen, down the steps, and off a bed. She was claiming my sister broke her nose when her nose did not even look broken. Later that week we stayed at my grandma's and she fell down my grandma's steps & claimed she broke her ribs and pelvis. I am 99.9% sure she did not. I can't even stand her anymore. She is sleeping with strangers and going places and not calling us to tell us where she is.. Should I give up on her? She was in rehab in April. She said she is not willing to stop.

You can make somebody go to rehab over and over and over but they aren't going to quit until they decide they're tired of being drunk. Alcohol feel extremely nice to some people and becomes their best friend. I'd just sit down and talk to her about her behavior while she's drunk and how it bothers you, explain to her the physical consequences she's going to suffer from in only a matter of years (Heavy alcohol use doesn't just wreck the liver. Alcoholics suffer from weak bones, ulcers, high blood pressure(which also can lead to more problems, which usually result from weakened artery walls popping), cancer of the mouth and stomach, damaged brain cells, bad teeth(from puking), malnutrition, etc.) If that doesn't work, you could move in with your dad and see how she reacts. Maybe she'll feel bad enough about drinking that she'll try quitting again.

I'm happy you were able to help your grandpa, but I will respectfully disagree with your suggestion. Her mother needs professional help, not help from her daughter.

A child should NOT ever be responsible for their parent (not counting old age), especially with dangerous things like addictions and substance abuse.

If her mother refuses to quit drinking, she should stay with her dad or another relative where she doesn't have to be around a drunken mother. If her mother doesn't want to stop drinking, then she doesn't get to see her daughter, and it would continue like that until she chose to get help.

She shouldn't have to deal with having an alcoholic mother, and then having to try to "help" her mother with her addiction. Guilt-trips aren't what the OP needs.