YOU SAID:

I have to be honest with myself that this was the best thing I ever done.

INTO JAPANESE

正直に言うと、これは私が今までやった中で最高のことだった。

BACK INTO ENGLISH

I can honestly say that it was the best thing I've ever done.

INTO JAPANESE

正直に言って、これは私がこれまでやったことの中で最高のことだと言えます。

BACK INTO ENGLISH

I can honestly say this is the best thing I've ever done.

INTO JAPANESE

正直に言って、これは私がこれまでやった中で最高のことだ。

BACK INTO ENGLISH

Honestly, this is the best thing I've ever done.

INTO JAPANESE

正直に言って、これは私が今までやった中で最高のことだ。

BACK INTO ENGLISH

Honestly, this is the best thing I've ever done.