Answer:
I am your mother's brother's only brother in law. Who am I?
You feel this sensation when you are dehydrated.
What gets bigger the more you take away from it?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
If you drive on this, pedestrians and the police will be pretty upset with you.
I'm the source of all emotion but I'm caged in a white prison.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?