YOU SAID:
I don't care if I never come back.
INTO JAPANESE
二度と戻ってこなくても構わない。
BACK INTO ENGLISH
You don't have to come back again.
INTO JAPANESE
戻りたくないなら。
BACK INTO ENGLISH
You don't have to come back.
INTO JAPANESE
戻りたくないなら。
BACK INTO ENGLISH
You don't have to come back.
That didn't even make that much sense in English.