Answer:
I am the best thing that can happen after a stick hits a ball.
What can fill a room but takes up no space?
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.
My first half means container. Not a lot of people understand my language. What am I?
Long and thin red within with a nail at the end.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?