Answer:
Break it and it gets better, immediately set and harder to break again.
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
An appropriately loud response to fear, excitement, or your team scoring.
When this is found in a road you are forced to make a decision.
Where humans breathe liquid.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.