Answer:
I am the home for feathery animals.
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
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 need to be taken before you can have me. What am I?
If I drink, I die. If I eat, I am fine. What am I?
I'm the source of all emotion but I'm caged in a white prison.