"Thin psychology" is the story of the Russian poetess, writer Nadezhda Teffi (real name Nadezhda Alexandrovna Lokhvitskaya, for her husband Buchinskaya, 1872-1952). The hero of this story, not having achieved reciprocity from the fellow traveler, decided to act subtly - to win the favor of her son. True, he made one blunder ... Popularity and popularity of Nadezhda Teffi were brought, first of all, by humorous and satirical stories that were placed in collections "Humorous stories", "And so it became", "Carousel", "Smoke without fire", "Inanimate" Beast "," Town "," The Witch ". Her pen also includes a number of poems, translations, the novel "Adventure Novel", memoir prose about Z. Gippius, A. Kollontai, A. Kerensky, G. Rasputin, A. Averchenko and other contemporaries of the writer. In her works, Nadezhda Teffi tried to create portraits of people of different types of character, level of education and estates. The main thing for Teffi is to emphasize the individuality of each person. The reader simply feels the author's sympathy for his characters, the love of people.