The various characters and interests - the influence of natural instincts on behavior - the proper handling of different dog types. Is your dog more of a phlegmatic or a sanguine? Is he introverted or extroverted? Does he have leadership qualities or is he a team player? Natural dispositions are influenced by social instinct, territorial instinct, hunting instinct, and sexual instinct, as well as the intensity of these individual traits. Thus, every dog is an individual. His personal nature and perception of his environment determine the partnership. And when humans understand these dispositions correctly, nothing stands in the way of a harmonious coexistence with their social partner, the dog. How to assess your dog and how this affects daily life, the proper interaction with him, as well as breeding.