I think it's about God and when you're Christian (or in a religion where you believe in God), you have a promise with God and He has a promise with you and he'll always be there ('I know you're always there, To hear my every prayer inside').
It can be heard and thought of as a song about two peopl in love but this song is much more meaningful than that, it's much stronger than anything because there's no connection stronger than you and God.
I think it's about God and when you're Christian (or in a religion where you believe in God), you have a promise with God and He has a promise with you and he'll always be there ('I know you're always there, To hear my every prayer inside'). It can be heard and thought of as a song about two peopl in love but this song is much more meaningful than that, it's much stronger than anything because there's no connection stronger than you and God.