Guo Jia smiled without explaining to Fa Zheng, knowing that Fa Zheng must have had a guess, but he extinguished it. Sometimes, long-lasting friendship between both parties can make one unconsciously overlook the correct judgment, albeit emotional, which is termed as sensibility.
However, Fa Zheng indeed has the capital to be emotional. Not having experienced over twenty years of frustration, friendship is more important to him than power.
Precisely because it comes easily, it is obtained easily, which is why he disdainfully dismisses it. For Fa Zheng now, power is as such, what one can easily obtain with one's wisdom; having friends' care and inquiry is more important.
Lub Su and Liu Ye remain relatively silent. Liu Ye's actions are indeed not appealing, while Lub Su is the good-natured one. Every power will face an internal struggle before the final step descends, albeit the difference lies in the severity of this internal struggle.