People who bully are not anxious and don't always have low self-esteem. Research shows that those who bully are untroubled by anxiety, a necessary emotion for controlling human behavior and for engaging restraint. In fact, because these people are so unaware of what others think, they see themselves quite positively. They are blind to the feelings of others, lacking empathy, a deficit that permeates their behavior and perceptions, according to Katherine J. Kocs, M.S.W., author of Sticks and Stones
