Years ago, around the campfire, I heard this story and have told it to every troop of which I have been a Scoutmaster. Two brothers were leaving the town they had lived in for several years. They were both moving to a new town many miles away.
One of the more difficult situations in which to make an ethical decision is when more than one person is potentially impacted by your action and their expectations of how you should proceed are in conflict.
Thou shalt not kill. People have been using rules to protect people since man left the primordial forest and walked up right for the first time. For people some rules are sacred—they are worshipped for their own sake. For others, rules were meant to be broken. Irrespective of your view of rules, they form the foundation of society of all levels.