According to AVRT the only time to do anything is now. If you decide to quit "later" then later will eventually become NOW and it won't be any easier. Again, AVRT-wise the accountability is to yourself. Still, support won't hurt.
In the best way I can put this it doesn't sound like you fully committed to AVRT. The part you're missing is the "And I will never change my mind." The Beast shouldn't be able to talk you into drinking again! Not if you are truly committed. Like Yoda said, "Do or do not. There is no try."
I went through the Crash Course/Bullet for my Beast slide show in Oct 2012 and haven't had a sip since. You can do it!