At the age of 20, Qiao Muchu thought that the thing he regretted most was joining a tour group to Southeast Asia; at the age of 25, Qiao Muchou thought the thing he regretted most was falling in love with Bai Qinan; at the age of 30, he realized that the thing he regretted most was entering the entertainment industry and giving up the happiness at his fingertips in order to become famous.