Answer:
I turn everything around but I cannot move. When you see me you see you!
I am a cave full of bones and the house of a worm.
With three eyes and as black as night I frequently knock down ten men with a single strike!
I am tomorrow's yesterday and yesterday's tomorrow. What am I?
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?