It all starts with a small divergence. A difference of opinion. A matter of nuance. But very quickly that small discrepancy begins to grow and, in a deafening escalation that drags in its path the supporters of both sides, it ends up becoming an incurable dispute in which there are no more chances or arguments to convince or be convinced. How far can a non-negotiable position be sustained? Does reaching an agreement always require giving up principles? Who shouts the loudest wins? Or does everyone lose?