This book was written by the famous German doctor Rudolf Neubert and was repeatedly published abroad, where it was an ongoing success. It is built in the form of a frank conversation between a competent physician and a patient. These conversations touch on deeply intimate issues. The book reveals the problem of marital relations not only from the point of view of biological and medical sciences, but also is considered from a sociological point of view. The legal, moral foundations and aesthetics of marriage and family relations are highlighted, as well as a number of questions are raised about the life contradictions that arise in the development of love in new social conditions and require their resolution in the interests of the progressive development of society and the correct sex education of all people. The book will be interesting and useful especially for young people thinking about creating a family and normal marital relations.