Scientists tracked 5,000 married people for five years to see who got promoted. The thing that predicted it best had nothing on the resume. It was how organized your spouse is. Raises, promotions, even liking your job. Same result for men and women, same result whether both of you worked or only one. That’s a Washington University study in Psychological Science, and the mechanics are pretty plain once you hear them. A conscientious partner picks up the bills, the groceries, the logistics. You…