Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
Draw fire or fill me; I'm still empty.
I am the beginning of eternity the end of time and space the beginning of every end the end of every place.
What can you break even if you never pick it up or touch it?
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
Skirts for men.