Answer:
What goes through a door but never goes in and never comes out?
What goes up and down the stairs without moving?
What gives life and love, and is there till they die? What can hide you and find you, heal you and feed you but should never give up on you?
Spies and detectives do this to phones and musical shoes make this sound.
What gets broken without being hold?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?