before / after [UPDATE]

summer of 69 or so

some hundret litres of beer later

some random calculation:
25 years of age - 16 years to be able to get beer = 9 years
9 years * 365 days = 3.285 possible drunk days
3.285 days * 3 beers per day average * 0.33 litres = round about 3K litres of beer