As it turned out...
An Qingyu’s deductions were hitting a dead end. Di Shitian had failed to appear; instead, Yun Hexian was nonchalantly urging An Qingyu to head home for dinner and stop obsessing over his research.
An Qingyu: "Damn it, there were only two options—A: Sincerity and B: Lies. How did it end up choosing option C: The Silent Treatment? Could they really be two different people?"
Chapter 178