translation.en: I think we've evolved four very broad personality types And on this dating site that I have created, called Chemistry.com, I ask you first a series of questions to see to what degree you express these chemicals, and I'm watching who chooses who to love.
translation.zh: 我相信这四种物质在大脑中的不同配比 让人类演化出了四种非常普遍的人格类型。 所以我在Mating.com上创建了一个子站：Chemistry.com。 第一部分的问题 用来确认上述四种物质在你的大脑中是如何显现性状的。 最后网站记录下是谁选择了谁。