Here's the Joke

Working as a pediatric nurse, I had the difficult assignment of giving immunization shots to children.....One day, I entered the examining room to give four-year-old Lizzie her needle. 'No, no, no!' she screamed. 'Lizzie,' scolded her mother, 'that's not polite behavior.' With that, the girl yelled even louder, 'No, thank you! No, thank you!