“It is amazing how easy it is to influence people’s behavior using these friendship tools [the eyebrow flash, the authentic smile and the head tilt]. Alone or in combination, they allow you to make people feel better about themselves and, in turn, encourage them to make you feel better as well. When you employ the Golden Rule of Friendship, it encourages reciprocity: ‘If you make me happy, I want to make you happy.’”  p. 90-91

The Like Switch: An Ex-FBI Agent’s Guide to Influencing, Attracting, and Winning People Over, by Jack Schafer, Ph.D.