I don't have to since there isn't one in the first place. If you're asking for a how-to-tutorial on not how to be a sack of potatoes? Be put into the position of the one being shit on and either helpless to do anything about it or hesitant to. Now repeat this process for a few years. If you're a semi-intelligent human being you'll have learned to value the fragility of other people's well being and opt not to destroy it with your own hands.