Answer:
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
In buckles or lace, I help set the pace. The farther you go, the thinner I grow. What am I?
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?
Everyone asks for me but yet everyone hates to face me. For someone I am agony for others I am relief. Who am I?
Use me if you really want to see inside someone
What did the piece of wood say when he saw the screwdriver and screws approaching?