About the book: The book explores the topics of sex, marriage, and family, delving into psychological aspects of marriage, family crises, and financial planning. It pays attention to children and upbringing, as well as examines the family system to understand how to create harmonious relationships with one's partner. Within its pages, you will find answers to questions such as: What is sexual harmony in a couple? What is a serial marriage? Why do people form families? What crises do families experience? Why do people cheat on each other? What is love manipulation? The book emphasizes that a happy family is indeed achievable.