YOU SAID:
i love you so much because you are my best friend
INTO JAPANESE
あなたは私の親友だから、私はあなたをとても愛しています
BACK INTO ENGLISH
you are my best friend i love you so much
INTO JAPANESE
あなたは私の親友です私はあなたをとても愛しています
BACK INTO ENGLISH
you are my best friend i love you so much
That didn't even make that much sense in English.