Answer:
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
If Mississippi should lend Missouri her New Jersey, what would Delaware?
What can be swallowed, But can also swallow you?
It regulates our daily movements, but it feels no interest in our lives. It directs us when to come and go, but does not care if we pay attention. What is it?
You use it between your head and your toes, the more it works the thinner it grows.