Answer:
Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth. What is it?
Hold the tail, while I fish for you.
It is the great nemesis of the lactose intolerant.
I don't think or eat or slumber. Or move around or fear thunder. Just like you I look the same but I can't harm you or be your bane.
A dagger thrust at my own heart, dictates the way I'm swayed. Left I stand, and right I yield, to the twisting of the blade.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?