Answer:
What does a stone become when in the water?
I am always hungry, I must always be fed. The finger I lick will soon turn red.
Who has married hundreds but always been single?
You speak this when you are being sincere.
Soldiers fight it but never changes.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?