" the heavy drinkers of today drink far more than the heavy drinkers of fifty years ago. “When you talk to students [today] about four drinks or five drinks, they just sort of go, ‘Pft, that’s just getting started,’” reports alcohol researcher Kim Fromme. She says the heavy binge-drinking category now routinely includes people who have had twenty drinks in a sitting. Blackouts, once rare, have become common. "
― Malcolm Gladwell , Talking to Strangers: What We Should Know About the People We Don’t Know