that was faster than one of the teachers at my school got it. and that is a good point.
OK how about these,
1) Paul's height is six feet, He's an assistant at a butcher's shop, and wears size 9 shoes. What does he weigh?
2) When you have me, you feel like sharing me. But, if you do share me, you don't have me. What am I?
3) The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?