Would marriages last longer if we were less romantic?

Romance is a dangerous delusion. Many good marriages fail because the parties involved have unrealistic expectations of the emotional fulfillment that marriage, or any other lasting relationship has to offer.

Would our faltering marriages have a better chance of survival if we all took a cold hearted, pragmatic approach to everyday accommodations and compromises that are essential if two people are to put up with one another for an extended period of time?