Like it or not, your daughters are learning this. You are their role model for adult womanhood. My dad was an alcoholic and I have a pattern of seeking out unhealthy relationships throughout my entire adult life.
Also understand that "functioning" is a stage of alcoholism, the disease is progressive and everything you dislike now will only get worse. My ex was a binge drinker with a monthly cycle, until his disease progressed.
Alanon has helped me a lot. Keep going to meetings and be sure to check out the stickies at the top of the page.
http://www.soberrecovery.com/forums/...alcoholic.html