Sex is the most intimate action that can only be in a person's life. As a rule, it is not customary to talk about this, but this does not mean that we do not need to talk about this. Our book will tell you everything about it simply and delicately - you will learn about the importance of sexual relations in different epochs, what are the intimate relationships, when sex becomes a taboo subject and when sex becomes an enemy, learn a lot about safe sex, How to improve the quality of their sexual relationships.