Hmm... I think you are all maybe seeking something what does not exist. But It is not a mistake, sometimes I do so, but I think there is'not better explanation to this song that Nick has simply written some very, very specific and wonderful prayer. And he says simply, that we can love each other ( you and your beloved one ) despite being different, having different believs, different colou of skin and whatever. A music video of this song proofs this too. And maybe - another aspect that you've mentioned - the platonic love. I see it there too, because Nick Cave speaks here of love in most divine form, mos saint and ( from my own expriencis ) this kind of love in this highest point, as I can say, cleans out all other "human" aspect of love... maybe... but as well as this maybe not... it depends of you, how you will explain it... ;-)
Hmm... I think you are all maybe seeking something what does not exist. But It is not a mistake, sometimes I do so, but I think there is'not better explanation to this song that Nick has simply written some very, very specific and wonderful prayer. And he says simply, that we can love each other ( you and your beloved one ) despite being different, having different believs, different colou of skin and whatever. A music video of this song proofs this too. And maybe - another aspect that you've mentioned - the platonic love. I see it there too, because Nick Cave speaks here of love in most divine form, mos saint and ( from my own expriencis ) this kind of love in this highest point, as I can say, cleans out all other "human" aspect of love... maybe... but as well as this maybe not... it depends of you, how you will explain it... ;-)