"Sorry," the store owner said, "We've run out of Contentment."
The angry horde of customers now looked sorrowful.
Their heads hung low and their eyes welled up with tears.
"You can try again later," the store owner advised.
"Will it be here tomorrow?" a little girl in the crowd asked.
"It might never arrive, but come to check anyway," the store owner answered.
"We'll come back every day until you've put it back on your shelves!" a lady shouted.
"I hope that day will come. In the mean time, could I interest you in some expensive material you will never need?"