Answer:
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
What can burn the eyes, sting the mouth, yet be consumed?
What has 13 hearts but none beat?
Hold the tail, while I fish for you.
I can be written, I can be spoken, I can be exposed, I can be broken.
I'm the source of all emotion but I'm caged in a white prison.