I understand where you come from man; I used to drink about a travelers bottle with friends a night for a year in college. It is kind of a thing that cooks are notorious drunks. It was fucking with me, and I eventually stopped to focus on school and study. So, I believe that you can defy these habits and progress. A lot of people use exercise as an 'anti-drug'; I hope that can help you too. I just made a post about my changes in my life as well regarding fitness. If you need someone to talk to you can reach out to me. :)