C504 What about the Feces and Urine?

Ben Yin said,

"At that time, Cao Cao's strategist, Guo Jia, left a letter to Cao Cao. In the letter, he said that if Cao Cao sent people to chase after Yuan Shang and Yuan Xi, Gongsun Kang would join forces with them to deal with Cao Cao. If Cao Cao didn't send people to chase after them, then Gongsun Kang would start an internal strife with Yuan Shang and Yuan Xi. As expected