I think a lot of people have those two-steps-back incidents. Sometimes you feel the urge to wave your hand over the flame and see if fire is still hot.
If from this you learn to not make the choice to drink next time around then it was part of progress. If not, then you are just spinnin' them wheels. So let's dust off, write it off as a lesson learned, and next time go someplace that isn't a bar.
Those withdrawals are crushing. That's part of why I don't go back; definitely was getting too old to deal with feeling awful for several days