Three girls from an office go out to lunch together. As the are talking there conversation turns to their clothes, and then to the underwear they have. The first girl says that she has 8 pair of panties that way she always has a clean pair when she does her laundry. The second girl says that she has 6 pairs of panties because on Saturdays she never wears any. The third girl says that she has 12 pairs of panties. The first to girls look at each other puzzled like and ask, "how do you use 12 pairs of panties"?? The third girl replys "January, February, March,......"