Maroon 5 - This Love Lyrics Meaning

He was oblivious to what was really going on inside his girlfriend's head. He was trying and feeding her appetite for sex, but she eventually left him. She got on a plane and left for a while. They try again, but it's a vicious cycle that doesn't end. She never loved him as much as he loved her. She was just good at faking it maybe? It starts to take a toll on him, but he still feels like he can fix her and make sure everything is ok. He knows all she wants is sex. Eventually, he decides he won't say goodbye anymore, because they won't get back together again, but since they always get back together, it's unclear if he can even stay away from her.