Couples that pray together….

The Data Don’t Lie: Couples That Pray Together Actually Do Stay Toge... | Christianity Today 

Here's a key quote. "The best religious predictor of being happy in a relationship is praying together as a couple. Taking your faith directly into the domestic sphere seems to reap real benefits for black and Latino couples. And evidence says that’s true for basically everyone in the United States."

Matthew 18:19-20, "Again, truly I tell you that if two of you on earth agree about anything they ask for, it will be done for them by my Father in heaven. For where two or three gather in my name, there am I with them."