Answer:
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
If I drink, I die. If I eat, I am fine. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I am the kind of dog that chases anything red. What am I?
I am a fruit with seed on the outside.
I'm the source of all emotion but I'm caged in a white prison.