dreamaaa i dont really understand a lot of your post.. is it possible to say that your english level dropped during your 17 - 20 3 year stay? 17-20 years old ?
I learnt the Japanese I know from studying in australia, studying in Japan, living with a Japanese family for 2 years, hearing it everyday in the workplace, using it in the workplace, hitting clubs, annoying people and through emails and from where ever else I have forgotten, .... movies, tv shows .. .. ..