If we talk about Lin Yifan, he is really Pei Xiaomi's childhood sweetheart. The two have been inseparable since childhood. They live no more than 100 meters apart and go to class no more than 500 meters apart. It's just that when they were young, they stayed together often, but there was no spark of love. It wasn't until the summer vacation of his sophomore year in high school that Lin Yifan actually had a "girlfriend"...