Henry and Ethel attended the same small-town church, where every week Ethel taught Sunday school. After admiring her from afar for years, Henry finally plucked up the courage to ask Ethel out to dinner. To his delight, she accepted and he booked them a table at his favourite restaurant. At the restaurant he asked her: "Would you like some wine with dinner?" "Oh no, Henry," said Ethel. "What would I tell my Sunday school class?" Henry was taken aback and didn't say much more until the end of the …