I would that the most accurate mate selection theory is the complementary-needs theory. I believe that this theory is the most accurate because a marriage will last longer if the couple complements each other's personality quirks. This theory states that, “individuals select a mate whose personality and needs are opposite and complementary to their own” (Knox & Schacht, 2013, p. 164). I have noticed that with the relationships or marriages of family members and friends in my life that there is more of a balance in the relationship with each person complements one another. Even though this is true for marriages that each person should complement each other's personalities, this is also true for any type of relationships. My best friend and I