The genetic relatedness, from an evolutionary standpoint, affects how much you care for other people.

遗传相似度，从进化论的角度看，影响到你关心他人多少。

耶鲁公开课 - 心理学导论课程节选

Some people eat for comfort, some people get enormous psychological gratification from food, other people couldn't care less-- they have to be reminded to eat.

有人吃东西是为了寻求慰藉,有人通过吃东西,从食物中得到巨大的心理满足感,还有人对吃毫无兴趣,他们需要提醒,才会想起去吃东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

What this often--What this can be viewed as, as an extended version of selfish gene theory, which is that to the extent you're interconnected with other people you care about them more for purely selfish reasons.

其实我们可以把这个观点视为，自私基因理论的延伸，也就是说根据你和别人,互相联系的程度,你对他人的关心更多是因为自私的原因。

耶鲁公开课 - 心理学导论课程节选