Always helps to have accurate states.
"It’s a useful myth,” said Bradley Wright, a University of Connecticut sociologist who recently wrote “Christians Are Hate-Filled Hypocrites … and Other Lies You’ve Been Told.”
'the General Social Survey, a vast demographic study conducted by the National Opinion Research Center at the University of Chicago, and found that Christians, like adherents of other religions, have a divorce rate of about 42%. The rate among religiously unaffiliated Americans is 50%.
When Wright examined the statistics on evangelicals, he found worship attendance has a big influence on the numbers. Six in 10 evangelicals who never attend had been divorced or separated, compared to just 38% of weekly attendees.'
If it is advice about marriage try this lecture:-
William Lane Craig offers advice to Christians considering marriage