Happy had a certain habit. When waiting for food to arrive, he enjoyed beating against his bowl with his chopsticks to create clanking sounds. Brain also had a habit. When waiting for food to arrive, he liked to drink beverages. One time, he waited half an hour for the food to arrive at a certain restaurant. In that time, Brain had drunk about seven or eight pots of tea. He was nearly turned into a sack of water by the time his food arrived.
But at Yuan Zhou's restaurant, both of them restrained themselves. Happy had once heard that the tableware of this restaurant was very expensive. He was scared that he might accidentally break them. As for Brain, he would only be drinking beverages provided by the restaurant. Unfortunately, Yuan Zhou's restaurant only provided him a glass of water.
