While a woman was working as a pediatric nurse, she had the difficult assignment of giving immunization shots to children. One day she entered the examining room to give four-year-old Lizzie her shot.

“NO! NO! NO!” she screamed.

“Lizzie,” her mother scolded. “That’s not polite behavior.”

At that, the girl yelled even louder, “NO, THANK YOU! NO, THANK YOU!”