Answer:
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
Not a burden for its weight and daily carried out, He who takes it wishes it had never come about
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
It is greater than God and more evil than the devil. The poor have it, the rich need it, and if you eat it you'll die.
What's black when you get it, red when you use it, and white when you're all through with it?
You use it between your head and your toes, the more it works the thinner it grows.