>14.3 litres of pure alcohol a year

To get to this amount of alcohol for reference, a pretty standard bottle of spirits is 750 mL and 80 proof, or 40% alcohol by volume. so if you regularly bought a One liter bottle of liquor you would need to drink 35.75 bottles of Jameson a year, or larger, and pricier, 35.75 bottles of Smirnoff. That is the average, and from public health studies I've read in the past alcohol consumption by average has a serious barbell effect altering the average.

Personally I have three drinks and think " I should slow down"