Paul Bourget's "Physiology of Modern Love" is a novel about the complex relationship between a man and a woman in the era of the end of the 19th century. The author explores the psychology of the main characters, revealing their inner conflicts and feelings. In addition, the book examines the social and moral aspects of love, as well as relationships in the family and society. With the help of bright language and expressive style, the author offers the reader a deep understanding of the topic of love and relationships. "Physiology of Modern Love" is a book that leaves a feeling of pleasure from reading and at the same time makes you think about solving complex ethical issues.