Law 36, Disdain Things You Cannot Have

There is never a good reason to allow the slightest hitch in your end game. If there is something you want but cannot have, show contempt for it. Ignoring them is the best revenge. By acknowledging a petty problem, you give it existence and credibility. The more attention you pay an enemy, the stronger you make him. And the small mistake is often made worse and more visible.