I agree. I was pretty fast at learning Japanese (passed N1 after two years), 8 years later there are still tons of words I don't know, I can't write a lot of ka

I agree. I was pretty fast at learning Japanese (passed N1 after two years), 8 years later there are still tons of words I don't know, I can't write a lot of kanji, listening comprehension isn't as good as it could be. It's a lifelong thing. Props to anyone mastering more than one language!