Welcome to SR, Quint!
While the human body is amazing, it does react to the absence of alcohol being poured into it that it had become accustomed to for so long.
There are alot of typical adjustments during the detoxifying stages but it's always a good idea to be on the safe side and consult with your dr. about your history and your body's reactions.
That said, remember that alcoholism is progressive. I never drank during the day either, until...
It's only a matter of time before one isn't enough and neither is 100.
Keep reading - lots of different forums here - you're in a really good place.
Look forward to your sharing more. Take care.