Counting the Days

Setting: behind the bar at a dive bar and grill.
Two bartenders are talking.
Helen: it's 84 days
Tiffany: that you've been sober?
Helen: no, till I turn 50.
Tiffany: I thought you were quitting drinking
Helen: I don't want to make any big changes before my big birthday .
Tiffany: have you tried to quit?
Helen: it's not a problem.
Tiffany: you lost your drivers and law license.
Helen: I didn't really want to be a lawyer anyways.
Tiffany: why are you counting down till your birthday?
Helen: I get a free world of beer birthday party!