Answer:
I soar without wings I see without eyes. I've traveled the universe to and fro. I've conquered the world yet I've never been anywhere but home.
I taste better than I smell. What am I?
A dragons tooth in a mortals hand I kill I maim I divide the land.
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
When I live I cry if you don't kill me I'll die.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.