YOU SAID:
I am going to marry my best friend if its the last thing I ever do
INTO JAPANESE
親友と結婚するのが最後なら結婚する
BACK INTO ENGLISH
If it's the last time you marry your best friend, get married
INTO JAPANESE
親友と結婚するのが最後なら結婚する
BACK INTO ENGLISH
If it's the last time you marry your best friend, get married
You've done this before, haven't you.