Once you make your decision, you will find that you no longer need to fear your drinking thoughts. By simply accepting them, you rob them of any power. You hold all of the power now. How? Simply by saying so, by making your big plan. These thoughts will come and go, all by themselves, and you will remain, stronger and more confident each time.
It sounds to me like you are ready for that jump, Tatsy. For me it felt like I was about to jump off a cliff, down and down, but the reality proved to be different. I leapt, but I didn't fall. I flew.