Greener pastures will come your way my friend, the same thing happened to me. She didn't love you like you loved her, there's a girl out there that will love you more than you thought possible. I mopped around listening to this song for a long time,thinking I didn't try hard enough, or pay enough attention to her. then I found the girl who really loved me for the things I did for her, and I've never been happier. Good luck man