"modern psychologists are powerless to help couples save their relationships - because they leave God out of the picture. Since God is the source of love."
This can be explained in part by an interview (download the MP3 here 4min5sec in) with Bono (from a band called U2), Bono says
"...Then enters the story of grace. which really is the story of Christ which turned this view of the universe upside-down. It's completely counter-intuitive and very very hard for human beings to grasp grace. We can actually grasp atonement, revenge, fairness - all of this we can grasp. But we don't grasp grace very well. I'm much more interested in grace because I'm really depending on it."
It's the only way to weather the inevitable storms...