Consumer expectations begin in childhood

(A girl of about 8 years old is staring longingly at the display of stickers we have by the cash register.)

Girl: “I’d love to have some of these stickers, but I don’t have any money.” *sighs loudly*

Me: “I’m sorry to hear that.”

Girl: “…so are you going to give me some for free, or what?”

Me: “…”

The site from which this is taken, (The customer is) Not Always Right, has thousands of such examples.