YOU SAID:

Of course, I forgot about you. Why is this surprising?

INTO JAPANESE

もちろん、私はあなたについて忘れてしまった。これはなぜ意外です?

BACK INTO ENGLISH

Of course, I forgot about you. This is why unexpectedly?

INTO JAPANESE

もちろん、私はあなたについて忘れてしまった。これはなぜ突然?

BACK INTO ENGLISH

Of course, I forgot about you. This is why unexpectedly?