Answer:
It is the great nemesis of the lactose intolerant.
Round as a button, deep as a well. If you want me to talk, you must first pull my tail.
What has a single eye but cannot see?
What kind of room has no windows or doors?
Both punishment and sweet reward, It will befall both fool and lord. It is a spiritual scoreboard, Your every deed it does record.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?