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

So, we quickly talked about certain aspects of why we like other people including proximity, similarity, and attractiveness, and where we left off was a discussion of the Matthew effect, which is basically that good things tend to compound.

我们昨天略为讲几个方面,解释我们为什么会喜欢他人,包括邻近性，相似性和吸引力，我们昨天最后讲的是马太效应，它是说，好事是会扎堆的。

耶鲁公开课 - 心理学导论课程节选