If 2 people fight each other, so when BOTH sides fight, neither of these people nor their friends can tell on the opponent or any of the fighters. even if someone gets beat bad he Can't go tell.
(dude meets friend after lost fight)
friend: Dude what happend? you had a fight? we should call the cops!
Dude: no, i also fought, let's not be a little B*tch. i'll stick to the fighting code