The designated driver.
Because one more would be too farty
17, 1 to hold the lightbulb, 1 to hold the ladder and the other 15 to drink whiskey until the roof spins
And the dad says: 'Wealth is caviar, champagne and women. Poverty is hot pocket, beer and your mother!'
It's beer pressure.
edit Thanks KikifounUnui... not my main language TT