Answer:
What can run but never walks licks but never talks has a bed but never sleeps has a mouth but never eats?
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
I am in the middle of water but am not an island.
I'm the source of all emotion but I'm caged in a white prison.
I am the word that is always spelled correctly by everyone.
It can be cracked, It can be made, It can be told, it can be played. What is it?