40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting. 40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting. 40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting. 40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting. 40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting. 40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting. 40-year-old Liu Yifei took the story of roses, losing 15 pounds in 7 days and fasting.