The Beast has no innate understanding of time as we know it, since it is only concerned with the present moment. The Beast is essentially timeless, but it has access to your thoughts, and it will use the idea that "then" is different from "now" to try and undermine your confidence.
The AV will say "sure, you can say you'll never drink again NOW, but just wait, I'll get you THEN." If we realize that "I will never drink again" is really the same thing as "I will never drink in the present moment," though, then this Beast ploy is exposed as a farce and neutralized.
This was covered in the main AVRT discussion thread, which, along with the Rational Recovery book, I recommend reading from the very beginning.
PS: You may get more responses to your questions on AVRT if you post in the main thread.