About the book: 1999 / Anyone who strives to live life to the fullest, achieve success in society, and most importantly, feel the joy of life, must be able to manage themselves, resist circumstances, change themselves, if necessary. Broad and deep knowledge is not only a condition for high professional qualifications, but also the most important resource, which, unlike natural raw materials, is not exhausted, but is multiplied. The textbook is intended, first of all, for students of both higher and secondary specialized educational institutions, as well as students of various advanced training courses and advanced training of specialists and, of course, all those who want to improve their lives, their professional viability and health through the ability to influence their emotions, self-awareness, through the ability to “stand” in difficult life situations.