So that was actually such a plot twist my mouth was just hanging open when they revealed him as the final boss, I really didn't expect that.

At first he was merely a side character, and then I started feeling bad for him having to choose between his actual family and ZhengBei, and then wham the truth was revealed. 

So now I've got a question, was everything JXH did just acting? Was he a true psycho, or did he have some emotions? I used to think even if he was helping the bad guys, he was trying to change for good, but it was obvious that was all for show. Then what about all the happy times he spent with Zheng Bei, were those fake? It seems he has a close relationship with the fake Little Ma boss, but it turns out even the fake Ma boss knows himself that all it took for him to swear to protect JXH was him punching his foster dad, he knew he was being used. So was JXH truly a scheming unempathetic drug lord with glimpses of humanity (e.g. when he grabbed ZhengBei's arm before trying to bomb his squad to death) using his childhood as an excuse for his crimes, or is he truly traumatised by his childhood background and decided to do whatever it takes to survive in this cruel world?

Just curious what y'all think about him