YOU SAID:
I don't care if I'm forever alone
INTO JAPANESE
私は永遠に一人でいても構わない
BACK INTO ENGLISH
I do not mind being able to stay alone forever
INTO JAPANESE
私は永遠に一人でいることができることを気にしません
BACK INTO ENGLISH
I do not mind being able to be alone forever
INTO JAPANESE
永遠に一人でいることができても構いません
BACK INTO ENGLISH
I do not mind being able to be alone forever
That didn't even make that much sense in English.