Answer:
What does no man want, yet no man want to lose?
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
This is needed both for courage and hardcover books.
What goes through a door but never goes in. And never comes out?
What can you share and still have all for yourself?
What language does a billboard speak?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?