 Here's an excerpt from The Selfish Path to Romance by psychologists Drs. Kenner and Locke. The best proof of whether a person loves you is how that person acts toward you on a daily basis. Suppose your partner spends so much time at work, you virtually never see him or her. Then it would be appropriate to ask, Honey, if I'm so unimportant relative to work, why did you want to marry me?