Much like the forceful removal of bacteria, something special has to be done in order to end a conflict. Policemen make good use of passive force. A hard learned set of rules for them, and they have to stick to it if they want to be respected.

     In fact, the situation gets worse each time one of them wants to enter or leave their room, because it is hard to decide. You may ask : who erupts? Don't be mistaken: they are many.