If you want to learn more than I'm teaching here, you're welcome to go off on your own and find books and other materials to study. You can use JIP for additional study material, as well as a source of advice. I'm sure you have some interest or hobby where you really know your stuff. Since everyone IS different, I have to rely a bit on YOU to come up with the best way to make YOU fluent in Japanese. I can think up some good ways to help ME learn, but only YOU know what kind of techniques worked for you in the past.
Some people like to take it easy, others like to push themselves harder and harder.
Others have to have a friend or sibling to work with. Four Important Points I will give several tips here that apply to most people. Try to brainstorm how you can apply these to your particular learning style. When it comes to things like learning, review, practice, etc. I'd say the possibilities are limited only by your imagination - which is endless.