YOU SAID:

leave me alone good grief

INTO JAPANESE

私を放っておいて良い悲しみ

BACK INTO ENGLISH

It's good to leave me alone.

INTO JAPANESE

私を放っておいてよかった。

BACK INTO ENGLISH

I'm glad you left me alone.

INTO JAPANESE

放っておいてくれて嬉しいよ

BACK INTO ENGLISH

I'm glad you left me alone.