The book "Perfectionism" offers an in-depth analysis of the phenomenon of perfectionism and its effects on individual well-being. It highlights the fine line between striving for excellence and the harmful obsession with flawlessness. Readers will learn how excessive perfectionism can not only impair personal performance but also lead to social isolation and emotional difficulties. The work addresses the psychological backgrounds and possible causes of compulsive perfectionism, providing valuable insights into the consequences of this mindset. Additionally, various approaches to treating and overcoming perfectionism are presented to enable a healthier and more fulfilling life. This book is a valuable resource for anyone looking to confront the challenges of perfectionism.