Answer:
What can you catch but not throw?
Three little letters, a paradox to some. The worse that it is, the better it becomes.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
A morbidly-named body of water
You can hold it without using your hands or your arms. What is it?
I'm the source of all emotion but I'm caged in a white prison.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?