Xinya Children's Growth Stories - A Endless Story

An Wenwen, who was ten years old, had never grown a little taller for three years. Therefore, she was ridiculed by her classmates as "e;a king of waste"e; and "e;the model for saving"e;, which made her feel very inferior.Her sister, who was a 4th grader of middle school, taught her a clever move that would make her classmates admire her. She then told the "e;endless story"e; to her classmates.Why is the story endless?In the end, what happened?