Do you know my inside jokes?

This is about all of my inside jokes.... well technically it's not gonna be even close to all of them but a lot. You have to tell me what you think it means.

1 What are the pillows that are heart shaped and the one with polka dots?
2 What does Catherine really like?
3 What does Skylar have in the back of her head?
4 What band do Adrienne, Skylar, and Catherine belong to?
5 What are you called if you are at a beach in the ocean just letting your head bob at the top of the water even when a wave comes?
6 Who is Nana Franny?
7 What does WTC and FTC stand for?