Answer:
You cannot keep me until you have given me. What am I?
Lighter than what I am made of. More of me is hidden than seen. What am I?
I am a king who's good at measuring stuff.
What is easy to spot but hard to find?
Soft hairy from door to door. I am the pet that always stays on the floor.
I'm the source of all emotion but I'm caged in a white prison.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic