I think this song is about being in a relationship where the person is troubled and distant. And loving them so much that you'll accept they need time and distance even though its killing you and you can't take much more. You want them to be closer to you, and you know you can find happiness elsewhere but you can't say goodbye. And ultimately losing yourself in the process of trying to help them and make the relationship work. You thought you were stronger than you were, "I told you I was brave but I lied", but you just can't do it. "You came to me so hopeless I fell."
I think this song is about being in a relationship where the person is troubled and distant. And loving them so much that you'll accept they need time and distance even though its killing you and you can't take much more. You want them to be closer to you, and you know you can find happiness elsewhere but you can't say goodbye. And ultimately losing yourself in the process of trying to help them and make the relationship work. You thought you were stronger than you were, "I told you I was brave but I lied", but you just can't do it. "You came to me so hopeless I fell."