Answer:
I have thirteen hearts but no body or soul. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
Tear me off and scratch my head, what once was red is black instead. What am I?
I come off of a beautiful creature which soars in the sky. I come off of a peckish creature which has a tail as mighty as the sun! I am sometimes dirty and parents beg you not to pick me up.
I am your mother's brother's only brother in law. Who am I?