I think that this song is about someone that Tim may have known that became very different, and that he grew to like, or even love, this person for the person they were when they met, but for some reason the person has become less genuine, less themselves, and this is his plea to return to being the person they were
I think that this song is about someone that Tim may have known that became very different, and that he grew to like, or even love, this person for the person they were when they met, but for some reason the person has become less genuine, less themselves, and this is his plea to return to being the person they were