“On a day-to-day basis, we try to distance ourselves from the unseen realm (see Eph. 6:12) because spiritual warfare offends our postmodern sensibilities. We find it easier to believe that our spouses are hopelessly dim-witted rather than attribute our frustration to the thief who wants to steal, kill, and destroy (see John 10:10). It’s imprudent to assume there’s a demon inspiring every moment of marital friction, but it’s also foolhardy to ignore the larger spiritual reality.”