Answer:
What can fill an entire room without taking up any space?
I moved in town but after every minute I would ask different people the same question but I got different answers... What was the question?
How could all of your cousins have an aunt who is not your aunt?
A man is twenty years old but has only had five birthdays. How is that possible?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
I only exist when you are here. Where you never were I can never be.