Answer:
Break me and I am better immediately set and harder to be broken again.
I am used to bat with, yet I never get a hit. I am near a ball, yet never thrown. What am I?
You can see me in water, but I never get wet. What am I?
I eat I live.I breathe I live. I drink I die.
I run up and down the stairs without moving. What am I?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.