We must not pursue the kind of sex that avoids commitment and intimacy, leaving us more lonely than ever.
I Corinthians 6:16-17

When we talk to engaged couples about increasing the odds of lifelong love we often get a question about cohabitation. That’s why we added a “cohabitation” section to the updated edition of Saving Your Marriage Before It Starts.

Not so long ago, it was called “shacking up” and it was rare, about 1 in 141 couples.

Today, it’s closer to two thirds of couples. To put it...