YOU SAID:

Yup I just realized I forgot about something but I forgot what I forgot

INTO JAPANESE

うん、何かを忘れてしまったことに気づいたけど、忘れたものを忘れてしまった

BACK INTO ENGLISH

Yeah, I realized I forgot something, but I forgot what I forgot

INTO JAPANESE

ええ、私は何かを忘れたことに気づきましたが、私は忘れたものを忘れました

BACK INTO ENGLISH

Yeah, I realized I forgot something, but I forgot what I forgot