Time to go, my friend. Think of your kids. They don't need this craziness in their lives. By staying with a person who clearly doesn't value you or her children, you are demonstrating that dysfunctional behavior is okay. Based on this, what kind ofchoices will they bemaking in partners when the time comes.
The damage done from alcohol affects every one in the family, and plays out over generations. You have the power to stop it.