Answer:
How do you discover something that does not exist?
What moves and touches water but doesn't get wet?
How could all of your cousins have an aunt who is not your aunt?
The answer I give is yes, but what I mean is no. What was the question?
What can fill an entire room without taking up any space?
What is it that makes tears without sorrow. And takes its journey to heaven?
Logic
Animal
Difficult
Easy
Food
Funny
Kids
What am I?