Pretty good list, but definitely led with the weakest. Lots of people marry an ideal instead of an actual person, or marry someone who changes (perhaps quite dr

Pretty good list, but definitely led with the weakest. Lots of people marry an ideal instead of an actual person, or marry someone who changes (perhaps quite drastically) later. The divorce rate wouldn't be so high otherwise. Then there are (formally or informally) arranged marriages, and other confounders. This rule will spew both false negatives and false positives all over the place. The others are all much stronger.