YOU SAID:
The only girl I've ever loved has left me.
INTO JAPANESE
私が愛した唯一の女の子が私を置き去りにした
BACK INTO ENGLISH
The only girl I loved left me behind
INTO JAPANESE
私が愛した唯一の女の子は私を置き去りにした
BACK INTO ENGLISH
The only girl I loved left me behind
You've done this before, haven't you.