Honesty, respect, lots of laughter and lots of orgasms are the four conditions for a happy marriage. Love - coach Alexander Master in his book “Sex education. Part 1” begins to reveal the secrets of satisfying a woman. Sex is an important aspect of a happy marriage, and over time, it is in the intimate sphere that partners feel coldness and misunderstanding. Alexander Master has 308 married couples whose lives took a different sexual turn after he revived their intimate relationships. The author shares his personal experience, which he collected from all countries and continents for twenty years. The book “Sex education” will open up new horizons for the reader that he could not even imagine before.