【你的婚姻幸福吗】将初夜留在婚后的配偶婚姻满意度高于婚前偷禁果的;而婚前与配偶外异性同居满意度最低!美国约1/5男女在婚后进行性行为,超50%选择婚前与爱人同居,20%婚前曾与配偶外异性同居。Exploring actor and partner correlates of sexual satisfaction among married couples, Yucel 2010