I actually cried the first time I heard this song. He goes the entire song saying how he doesn't really love this woman he is with and how he never can or will. Then, in the last line, he reveals why that is:
"It may seem strange that still I stay with you, if it's true you're not really the one. And why don't I just keep on looking for her? Because I found her and now she is gone."
He had "the one." But now she is gone, whether she died or just left him. And now he knows he can never truly love anyone else like he loved this woman, so he'll be lonely for the rest of his life.
I actually cried the first time I heard this song. He goes the entire song saying how he doesn't really love this woman he is with and how he never can or will. Then, in the last line, he reveals why that is:
"It may seem strange that still I stay with you, if it's true you're not really the one. And why don't I just keep on looking for her? Because I found her and now she is gone."
He had "the one." But now she is gone, whether she died or just left him. And now he knows he can never truly love anyone else like he loved this woman, so he'll be lonely for the rest of his life.