Whether she is an alcoholic or not, the way she behaves because of her alcohol consumptions is a problem for you. No further look is necessary. Now, she basically says too bad, I'm not changing. Now you get to decide, can you live with this? Is this what you want in a relationship? Do you want an abusive alcoholic as yourt partner? Is this what you dream of having when you think of the woman you want to spend your life with? If it is, well you've got it. If not, then you get to decide what you are willing to do. What you have to remember is that you cannot change her only yourself.