118 Capitalizing on Kindness individual professional goals usually include cultivating trust and creating open-door approachability that welcomes, rather than intimidates, the public that they serve. My best advice to them, and to other professionals, always includes making ample use of the simple smile. The smile is the best and quickest way to easily create a positive, likeable persona. Male law enforcement officers in particular benefit from add- ing a smile to their persona. A smile is the most powerful exhibi- tor of a positive personality. This "attitude flag" can make the difference between a positive public rating and a negative one. It sends a message of friendliness, connection, and lack of intent to do harm. In some ways, a smile is like the wag of a dog's tail. It is a way of indicating that we are nonthreatening and are inter-