YOU SAID:
I don't understand why I'm saying it.
INTO JAPANESE
なぜ私はそれを言っているのか分かりません。
BACK INTO ENGLISH
I don't know why I'm saying it.
INTO JAPANESE
なぜ私はそれを言っているのか分かりません。
BACK INTO ENGLISH
I don't know why I'm saying it.
You've done this before, haven't you.