Answer:
If you have me, you want to share me. Once you share me, you won't have me. What am I?
I am the book one can never finish reading
I am a shiny metal sheet that covers BBQ food.
What has feet and legs, and nothing else?
What comes in many different sizes but is always only 1 foot long?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.