Answer:
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
I make a loud noise when changing jacket. I become bigger and delicious.
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
You have to travel far before you turn it over. What is it?
I cannot be burned in fire or drowned in water
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?