The book "Hints for Lovers" by Arnold Holtein is a practical guide to the psychology of interpersonal relations, which helps to understand and improve the relationship between two lovers. The author considers various aspects of the interaction between a man and a woman, provides advice on maintaining a romantic hearth in a relationship, resolving conflicts and improving the quality of communication. "Hints for lovers" is a valuable tool for those who want to reveal the richness of emotions and depth in their relationships.