Babybingo,
I only thought about the physical affects of drinking too much and I did have a lot of physical problems because of my drinking but the mental health problems were what finally finished it for me. The day after a binge I would be low and tearful and my thoughts were very intrusive like I had no control over them. Eventually these thoughts persisted for days on end and were only interrupted by more binge drinking. When I finally stopped it took one or two weeks to start to feel even remotely normal but I have never again experienced that intense worry and despair that I felt when I was drinking. I wish you all the best and give it all you've got, you have nothing to lose and everything to gain.