Been there in the sense that I am a wonderful mom as long as I am towing the line with AH, but as soon as I let him down in some other area (totally unrelated to the kids) he finds something to criticize about my mothering because that's what is most important to me. You are very obviously doing the best you can with an undesirable situation and I am sure you are doing everything you can to LESSEN the harmful effects of an abusive alcoholic parent on your girls.