Answer:
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
I widen my jaws when you poke two fingers in me. I especially like to devour papers
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
I start in little but I end in full you'll find me in half and complete.
I am shared by goats devils and unicorns.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?