>>6
Thanks, again!!
It's great!!素晴らしい!
Your Japanese is perfect!

>>ぜんぜん文字しらない。

You said about "漢字,KANJI"? OK, I would correct your Japanese as best I can.

>>はい、僕は日本語を学んでいる。でも、まだよくない!

ぜんぜん文字しらない。>>3を聞かない。かれはバカだ。

About these sentences, grammer is perfect, so I'll change ひらがな into 漢字.

[はい、僕は日本語を学んでいる。でも、まだ良くない!
全然文字を知らない。>>3を聞かない。彼は馬鹿だ。]
馬 means a horse, and 鹿 means a deer, and 馬鹿 means fool/stupid.
間抜け(manuke) or おたんちん(otanchin) or ボケ(boke) mean the same.

Yeah, grammer of English is like "feeling". Difficult....

>>7
Thank you! I'll buy that book at AMAZON.co.jp!
Let's study English together!!

>>8
Wow! Thank you!
I'll stay here at least one year, whether I'm an unpleasant person for you or not.^^

And your question,[>>not right now though.]
What do you mean? Is it a philosophical question??
Sorry, I cannot understand what you mean.
If you have a question, you can ask me anything!! Take it easy!!

>>9
Am I a gentleman?? Wow, great!
God bless you! And I love you(^o^)/

>>10
huh!! Am I a good command of English?(￣ー￣)
I'm very glad to hear that!

>>11
It's so high score! I thought my English trash.
Okay, I'll answer your question.

There are many showy stage effects, These aren't seen in Japan.
American pro wrestling is general art!!

>>12
hello. But I'm not keitaro-san. Who is he?
Did you say about Keitaro Katsura?
I'm not familiar with history. I've taken the science course.