If you keep repeating the same actions, but expecting to eventually get it right, you may have some other problems than just the occasional guilt & shame. If you can continue believing that you do not have a problem, despite the evidence that there really is a problem, you may need more help than you originally thought. Ultimatly, the choice to drink or not drink is yours and yours alone. Likewise, the choice to recover is yours and yours alone.
i hope that you make healthy choices that will improve the quality of your life.