Answer:
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
What has feet and legs, and nothing else?
I have hundreds of ears but cannot hear a thing. What am I?
You use me between your head and your toes the more I work the thinner I grow.
I mirror your actions.
A little house full of meat, no door to go in and eat.