Answer:
This only turns over once you have traveled very far. What is it?
He has married many women, but has never been married. Who is he?
This is needed both for courage and hardcover books.
I am always in front of you, but you will never see me. What am I?
To cross the water I'm the way, for water I'm above. I touch it not and, truth to say, I neither swim nor move.
What did the piece of wood say when he saw the screwdriver and screws approaching?