We have moved far past the time when an unmarried woman over 35 was branded an "old maid" or when unmarried men were "swinging bachelors," but after seeing the disaster of the marriage between Huma Abedin and Congressman Anthony Weiner, one does have to wonder if the old adage about men over 40 who have never been married is true. Is it a dating red flag? There is something to be said for marriage. Being in a marriage, whether it ends or stays together, usually means you have some experience with compromise, the ability to love and be loved, and...