Is Living Together Before Marriage Really a Sin?

In this article, Dan Darling does a great job going through the biblical reasoning and commands that relate to cohabitation.

One of the best parts of the article is his look at the issue from the human flourishing side of the equation. He says, "Rather than serving as a rehearsal for marriage, cohabitation builds the wrong habits. Putting physical intimacy before commitment trains your heart to look for an escape hatch when things go bad. But by first making a covenant with vows before God and witnesses, a husband and wife put their commitment before their intimacy."

Read the entire thing and file it away for some good teaching on the issue when you have to give clear advice to someone considering cohabitation.