YOU SAID:
I know that you know that I know that you know that I know that you know that she knows that he knows that I know.
INTO JAPANESE
分かってるんでしょ。
BACK INTO ENGLISH
I know that you know.
INTO JAPANESE
分かってるんでしょ。
BACK INTO ENGLISH
I know that you know.
You've done this before, haven't you.