The article details how the author taught themselves Korean without attending any language classes. They researched the language and culture, used online resources, created flashcards for vocabulary, studied grammar rules, practiced speaking with a language exchange partner, worked on listening and reading comprehension through various media, persisted in their efforts, used mistakes as learning opportunities, immersed themselves in the language and culture through media consumption, and found a community of Korean learners and speakers to practice with. The author emphasizes that persistence, consistency, and practice are key to success when learning a new language.