The man who bumped into her in the hallway later became her "supernumerary coach."
The rival who competed with her for chicken legs in the restaurant later left nutritious meals for her every day.
The "stranger" who silently turned up the temperature of the air conditioner late at night later said in front of the whole world:
"I want to give this gold medal to a girl who always practices serving late at night."
When the injury prevented her from continuing to play singles, he held her hand:
"Xu Qinghuan, the badminton court is not limited to women's singles."
"Change the track and I'll fight back with you."
