When Gu Nianbin returned to the city, he first sent Xia Xiaowan home and then went back to his own home. On the way, he called Du Xiaoxian. The phone call rang, but she did not answer. It was getting late. Could it be that she hadn't come home yet? He called again. This time, the phone got through. The deafening music came from the other end of the phone. Du Xiaoxian changed from being listless in the afternoon and now happily shouted, "You're back? We're singing!" Sometimes, she was too ...