Critical to a fault. Lived in Tokyo for a year-and-a-half, and fluently handicapped in Japanese.
If you have any questions that you'd prefer to ask anonymously, feel free to hit up my Ask.fm account. For my guide on learning Japanese and other such things, please check out my MAL blog. I often forget to reply to PMs and comments in a timely manner, so if I forget, you're welcome to remind me with another message. 日本語では自信があるから、日本語のメッセージ大歓迎。
Learning a bit of Korean now as a third language. I don't expect I'll ever reach fluency like I did with Japanese, though. And Chinese I'm not even bothering with since the tones are impossible for me to understand or reproduce.