The aim of the lecture was to strengthen the personal qualities in the whole team of selected participants. To provide participants with space to further discover constructive and effective communication, to the right approach to colleagues, subordinates, but also customers. Emphasis was placed on self-awareness in different roles, perception of differences between each other and the communication partner, empathic understanding of the partner within the communication. The main idea of the lecture was that each individual must reconcile the principles of assertive behavior with their own uniqueness. This means that the idea of assertive behavior serves as a guide that the individual sets and adjusts according to the requirements and possibilities of his person (his own setting).