YOU SAID:
What I do with my free time is none of your business.
INTO JAPANESE
私が自由時間にしていることは、あなたには関係ありません。
BACK INTO ENGLISH
What I do in my free time has nothing to do with you.
INTO JAPANESE
暇な時に私がすることはあなたとは関係ない
BACK INTO ENGLISH
What I do in my spare time has nothing to do with you.
INTO JAPANESE
私が空き時間にすることはあなたとは関係ない。
BACK INTO ENGLISH
What I do in my free time has nothing to do with you.
INTO JAPANESE
暇な時に私がすることはあなたとは関係ない
BACK INTO ENGLISH
What I do in my spare time has nothing to do with you.
INTO JAPANESE
私が空き時間にすることはあなたとは関係ない。
it is unlikely that this phrase will ever reach equilibrium