Why do people go to

Why do people go to Burger King and Order a Double Whopper with a Large French Fry and insist on getting a Diet Coke? Does the reverse side also have a reverse side? Why is the alphabet in that order? If the universe is everything, and scientists say that the universe is expanding, what is it expanding into? If you got into a taxi and he started driving backwards, would the taxi driver end up owing you money?