Good Riddles

Question: What is it that no one wants to have, but if he has it, he doesn't want to lose it?

Question: What did Robin Hood say, when Little John fired at him?

Question: Why is a room full of married people like an empty one?

Question: An item looks square from outside, Circle when opened and Triangle when taken out.

Question: Your friend is OCD and has to have things in a particular way. She even labels her socks so that the sock for the left foot will always be worn on the left foot and vice versa. Why did she lace her left shoe with a brown lace and the right one with a green lace?