This article by Eleanor Stanford in the New York Times titled 13 Questions to Ask Before Getting Married is simple and terrific.
I receive a lot of letters from readers. Many are from spouses of individuals they say are narcissists and most are filled with heartache. It’s not uncommon (at all) for people not to realize the depth of the disease until after a union. While these questions and their answers are no guarantee that the person in front of you won’t cause heartbreak, looking for clues in their answers–and how you feel receiving those answers–can be a good start in determining if the union should move forward.