Ed Young faces off with one of culture’s most outspoken advocates for adultery—a subject that millions of marriages and families face every day.

For far too long, culture has hijacked God’s design for sex, marriage and the family. But during this Nightline special, Ed had an opportunity on an international stage to bring us back to God’s truth—a truth that can change the way we look at our relationships and our lives.

Watch now on ABCnews.com