An interesting book that will help shy to gain confidence and be assertive. We learn to deal with criticism, to adopt assertive behavior, develop our understanding and empathy to improve our communication and social behavior or privately. Self-confidence without overwriting other, here the goal. To do this many examples of specific cases and practical exercises to work every day. One limitation, however: change its behavior to behave better in this society is not symptomatic of a lack of confidence, and this is not it results in a form of conformism and where everyone respects codes of good conduct?