Floss Week
The week before a dentist appointment when you start flossing.
Wife: Why are you flossing, you never floss?
Husband: Don't you know, it's floss week!
Wife: Ohhhh, you have a dentist appointment next week, got it.
Husband: Don't you know, it's floss week!
Wife: Ohhhh, you have a dentist appointment next week, got it.