Let’s be honest: most hobbies come with a catch. Running is great until your knees stage a protest. Baking is delightful until your jeans quietly disagree. Learning the guitar is fun until your neighbors start leaving passive-aggressive notes. But there’s one hobby that keeps giving without asking much in return (besides your patience and maybe a few flashcards), and that hobby is learning a foreign language. Yes, learning a foreign language is the rare pursuit that makes you sharper, more cultured, more interesting at parties, and occasionally able to read restaurant menus abroad without just pointing at a picture and hoping for the best. It’s basically a self-improvement plan disguised…