YOU SAID:
you shouldn't be the one talking
INTO JAPANESE
あなたが話している人であってはなりません
BACK INTO ENGLISH
You must not be the person you are talking to
INTO JAPANESE
あなたはあなたが話している人であってはなりません
BACK INTO ENGLISH
You must not be the person you are talking to
Okay, I get it, you like Translation Party.