how did waverly trick her mother into meeting Rich?

She comes up with a plan to get her mother to meet Rich so she will learn how wonderful he is. She takes him to dinner at Suyuan's house, and tells Suyuan that Rich said he had never tasted such good Chinese food. Waverly knows her mother will not be able to resist the competition, and sure enough, the next day she and Rich receive an invitation to dinner at Lindo's house. Waverly makes Rich promise to tell Lindo that her cooking was better than Suyuan's. But the meal is a disaster. Lindo hates the way Rich looks, and Rich doesn't understand Chinese table manners. He takes too much food, and does not compliment Lindo the way he is expected to. He doesn't even see how badly the evening went.