Answer:
What has to be broken before you can use it?
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?
I go around in circles, But always straight ahead Never complain, No matter where I am led.
They are toothy nocturnal immortals.
One might hang a locket from this
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?