"o sweet...do you got a cigarette i can bumb?!"
Regular Girl: Eighteen months.
Grier Girl: Wait, how many years is that?
Regular Girl: A year and a half.
Grier Girl: Wait... how is that?
Regular Girl: Because 12 months is in a year, and 6 months is a half a year. Making a year and a half total. You're 17, you really don't know how many months are in a year?