Originally Posted by
Nonsensical 
It was literally a split-second decision.
Nonsensical, I know exactly what you're talking about. One second everything is fine and the next second I'm raising the mug to my mouth. I've taken to preparing beforehand for those moments--at least as best as I can. Unfortunately, we can't always predict when we will find ourselves vulnerable.
I believe the best thing we can do is recognize those "twinges", no matter how subtle they are, and then pause for just a few seconds to get our minds back on track and tell ourselves NO!