“…According to the assortative mating hypothesis, people with similar characteristics, for example, depressive tendencies, (Merikangas, Bromet, & Spiker, 1983;Negri, Melicia, Zuliani, & Smeraldi, 1979) tend to choose each other as mates. According to the assortative mating hypothesis, people with similar characteristics, for example, depressive tendencies, (Merikangas, Bromet, & Spiker, 1983;Negri, Melicia, Zuliani, & Smeraldi, 1979) tend to choose each other as mates.…”