Answer:
What does someone else have to take before you can get?
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
What can you easily break but never touch?
Ancient and majestic, great big piles of stones, Used to encase both riches and bones. Seen from certain angles, They look like big triangles.
What instrument can you hear but never see?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?