translation.en: And we think the reason for this is that some people like to introduce their friends to each other -- you know who you are -- and others of you keep them apart and don't introduce your friends to each other.
translation.zh: 我们认为其中的原因就在于有的人 喜欢把自己的朋友介绍给彼此──没错，说的就是你── 而其他人喜欢把朋友们分开，不喜欢介绍给彼此。