YAT finds that he is not as efficient at work as he was in the past. MOON looks into it and finds out that it is because YAT has put on weight. YEE teases YAT should buy those trousers for fat men. YAT is buying trousers when he bumps into HENRY, who is also having a weight problem. They decide to join a body-trimming course together. At the beauty center, YAT uses the warm stone to heat his sandwiches…