If you grew up speaking English as a native language, then there is probably no more difficult language you could tackle than Korean. If you're willing to expand your mind, learn of a culture with a five thousand year history, understand the most internally violent people that ever complained of frequent invasions and repression, discover that every major invention from the printing press to the ironclad ship was invented first in a small, East Asian kingdom, and figure out why leaving an electric fan turned on in a closed room overnight can kill a person