Period Denial
When you've been on the IUD for so long sans the monthly blood tsunami, you forget periods existed. Until finally, one day it returns and you realize god's sexism cannot be triumphed by science.
Susan sleeps on a Japanese flag every night due to period denial.
Facebook Denial Period
The period between when a couple ends their relationship, but neither one of them changes their relationship status on Facebook, thus alerting the news to all their friends.
"Oh man, did you hear Jack and Kate broke up?"
"No? They're still together on Facebook?"
"Hmmm, must still be in the Facebook Denial Period"
"No? They're still together on Facebook?"
"Hmmm, must still be in the Facebook Denial Period"