Your spine.
Nothing.
They'd rather give each other a ring.
There are posts on the frontpage
Reddit.
Liars
It can be a very Hubble-ing experience. These jokes may not be funny for you, but they are Fermi.
Write "Please turn over" on both sides of a page and hand it to her.
He wanted to take a month off.
Spine
The letter P.
Because they contain a lot of fowl language.