Fight club

First rule - you do not talk about fightclub.
Second rule - you do not talk about fightclub.
Third rule - when someone says "stop" or goes limp, the fight is over.
Fourth rule - only two guys to a fight.
Fifth rule - one fight at a time.
Sixth rule - no shirts, no shoes.
Seventh rule - fights go on as long as they have to.
Eigth rule - if this is your first night at fightclub you have to fight.