Honey, sometimes your being pi$$ed off is telling you something, like that your AH is a creep. He brought this girl home to your own home and you are mad, at her?? OK, she is a skank. What she does is to be expected. However, keep it in perspective. What he did is not b/c of alcohol, it is b/c he is being a $hitty person. I am sorry to be so blunt, but there it is.
That being said, get the ice cube bucket out and throw away. Then....form a good plan for your future b/c you deserve a lot more.