Answer:
Break me and I am better immediately set and harder to be broken again.
I can be cracked made told and played.
Die without me, never thank me. Walk right through me, never feel me. What am I?
My seas have no water, my mountains have no rock, and my land has no grass. What am I?
Though I am only two words I have thousands of letters in me
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?