Oh no, this guy is good. He's not arguing about what definitely happened in the story that Shen Yuan knows so well, he's arguing about what might have happened, the stuff that might lurk in the margins and the space between chapters. How is Shen Yuan supposed to argue with that? Even his insinuation that Shen Yuan might turn gay at some point in the future was phrased so vaguely that he can't even use it as grounds for ad hominem counter-attack!

It's very frustrating, and he rubs his mouth for a minute before finally grumbling, "How did we even get on this subject, anyway? We're sitting here arguing over whether Bingqiu will ever become canon like a couple fujoshis, but what for?"