Pithy parables or intimidating mandates or climactic conversation (really) can be helpful, but so much more can be accomplished over time together.
Let your first couple conversations be about him, and not her. Study his relationships with his friends and family.
At the same time, remember that even with the “good guy” a resume can’t replace some regular contact.
She’s worth it — her faith, safety, and well-being — to spend some time seeing him for yourself.
One of the most terrifying moments of a not-yet-married man’s life is meeting his girlfriend’s father. Part of the problem is trying to understand a father’s role in his daughter’s pursuit of marriage.