As for the reasons, there are many versions, and some people say that they owe money and don't pay it back; Some people say it's for girlfriends; Others say they are sworn brothers, because gossip turns against each other; What's more, it is said that one side has a relapse of mental illness, and the other side kills people in self-defense. ..........
Well, for whatever reason, I think impulse is indispensable. Impulse is the devil.