Lifehouse has this ability to express a deeper kind of love --- love for God, love from God, and love for others that can only be given by God.
This song is one of my favorites --- a modern classic that I hope would be played during my own wedding someday (long before I learned that they themselves called it the wedding song of the year and released a longer wedding track).
But because I am more of a lyrics person, I've always thought this particular song is talking to God, not a person:
(1) After singing to "you" for most of the song, "she" is suddenly mentioned.
(2) It is God who saves. Nothing to do, Nothing to lose, Nothing to prove.
Be blessed with "You and Me".