It's the middle of winter, and chang le is sitting in the club room of the penggen's house. He's been eavesdropping on the conversation between the two men, and he's feeling a little embarrassed about it. He tells the story of how they first met, back when he was a kid at the teahouse. The two of them used to play soccer together, and they used to talk about men's toilets. The first time they met, they didn't know each other at all, but now they do. He says that the reason he was doing xiangsheng was to make the other man laugh, and that's why he does it so often. .