But many fundamentalist or evangelical couples base their marriages on “very irrational and unrealistic principles,” he said. “They say, ‘Put God first in your marriage’ whatever that means to them ‘be faithful in church, be a good Christian, pray a lot, attend church, and God will work everything out for you.’ Then they find out that’s a lot of hogwash.” He’s also seen problems when some fundamentalist men, in leading the household, become “cruel dictators” who “expect their wives to become servants.” Gary Thomas, author of Sacred Marriage and director of the Center for Evangelical Spirituality in Bellingham, Wash., believes that men should head the family, but that means they ought to be servant-leaders. “I think in many ways Christian marriage is harder,” he said. "We’re expected to forgive. We’re expected to give of ourselves. Paul tells husbands that they ought to have the mind of a martyr.