Here is a great blog post I came across from The Federalist called A Bit Of Religion Can Be Bad For Marriage which shows how practicing your faith and attending Church weekly has a very good effect on your marriage:
Here’s the key nuance: while religious affiliation makes no difference when it comes to divorce, religious attendance does. …
In multivariate analyses, high-attending conservative Protestant young adults have 34 percent lower odds of divorcing than do the non-religious, and high-attending Catholic young adults have 76 percent lower odds of divorcing than do the nonreligious. (Other religiously conservative groups, such as Latter Day Saints or Muslims, may exhibit similar “divorce-proofing” patterns, but the sample size is too small to distinguish these groups.)
Read the rest of it here.