Experience often repeated, truly bitter experience, had taught him long ago that with decent people, especially Moscow people—always slow to move and irresolute—every intimacy, which at first so agreeably diversifies life and appears a light and charming adventure, inevitably grows into a regular problem of extreme intricacy, and in the long run the situation becomes unbearable. But at every fresh meeting with an interesting woman this experience seemed to slip out of his memory, and he was eager for life, and everything seemed simple and amusing.
Anton Chekhov, ‘The Lady with the Dog’, 1899, part 1