YOU SAID:
who cares? I don't care.
INTO JAPANESE
誰も気にしない?私は気にしない。
BACK INTO ENGLISH
who cares? I do not care.
INTO JAPANESE
誰も気にしない?私は気にしません。
BACK INTO ENGLISH
who cares? I do not mind.
INTO JAPANESE
誰も気にしない?私は気にしません。
BACK INTO ENGLISH
who cares? I do not mind.
That didn't even make that much sense in English.