Earlier quoted context omitted.
Was thinking that too. For all the verbiage, there was only a vague " I had only been averaging a couple drinks a day " way down the article as an indication of what the abstained-from baseline was. Averaging two? The "couple" numeric implies room for large values of 2, and "averaging" easily includes two days of nothing followed by 6 in short order. This brings back the crux of those who argue such subjects: some pe…
2 glasses of wine could be 2 glasses, at 250 ml per glass, of a 14.5% ABV wine. This is a considerable, probably dangerous, amount of alcohol. (In the UK this is described at 3.6 units per glass, or about 7 units per day. Safe limits for men are not more than 3 to 4 units per day, not every day.) Or it could be 2 glasses, at 150 ml per glass, of a 10% ABV wine. That would be 1.5 units per glass, or 3 units per day.
A "serving" of alcohol is considered 0.6 fl oz, or 14 grams, of ethanol. People tend to overestimate what constitutes a "serving" of any food/drink, with consequences in line with the withdraw effects he experienced.