研究人员还指出，在我们发现幸福感开始下降之前，在2013年出现最急剧的幸福感下降之前，经济衰退就已经出现了。

The researchers also note that the recession hit some years before we see the beginning of the wellbeing drop, and before the steepest wellbeing decline, which occurred in 2013.

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我们揭示出，如果双方有类似的情感属性，最优努力策略将带来长久幸福的婚姻。

We show that, when both partners have similar emotional attributes, there is an optimal effort policy yielding a durable happy union.

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不过，很少有男人会在那个时刻说出真正主导婚姻幸福的东西：金钱。

Few, however, will mention what really matters: money.

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These topics are sleep, laughter, and religion, mental illness, two lectures on madness, what can go wrong in your minds, and a last lecture on happiness.

这些话题包括,睡眠，笑，宗教，精神疾病，我们会用两节课讲精神病，也就是你的脑子会出什么毛病，最后一节课讲幸福。

耶鲁公开课 - 心理学导论课程节选