Cirrus@Austlit

'A boy who has bad table manners is often criticised by his father during meals. But when a visitor comes for tea, the father has made a promise to talk about his son's faults, despite the fact that he performs them in the worst ways possible. Was later adapted as an episode of Round The Twist, was one of two adaptions to be combined into one episode.' (https://en.wikipedia.org/wiki/Unbearable_(short_story_collection))