Am I flogging a dead horse? Am I overreacting in thinking he's back on the slippery slope?
No, and no.
Wecome! Stick around, get comfortable, and keep reading. Find out what you can about alcoholism. At the top of this forum are the "stickies" which are a great crash course. Settle in sometime when you have a moment and do the reading. You'll have a clearer picture when you are done. Thank you for posting.