It does seem to me that she is kind of telling this new person that "I used to love someone. He broke my heart. Therefore I need you here to be caring and kind so I can recover." In other words, she is saying that he is a rebound. She knows that this relationship won't mean much, and is refusing to allow it be anything important (hence the "if someone has to lose I don;t want to play")...
It does seem to me that she is kind of telling this new person that "I used to love someone. He broke my heart. Therefore I need you here to be caring and kind so I can recover." In other words, she is saying that he is a rebound. She knows that this relationship won't mean much, and is refusing to allow it be anything important (hence the "if someone has to lose I don;t want to play")...