Answer:
Use me to reward good behavior.
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
What is the edge of earth and bread?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
When is it bad luck to see a black cat?