translation.en: It turns out that being in a securely attached relationship to another person in your 80s is protective, that the people who are in relationships where they really feel they can count on the other person in times of need, those people's memories stay sharper longer.
translation.zh: 研究发现，如果在80多岁时， 你的婚姻生活还温暖和睦， 你对自己的另一半 依然信任有加， 知道对方在关键时刻能指望得上， 那么你的记忆力都不容易衰退。