关于本书 About the book
爱情里有许多模式：从我们的性伴侣数量到从约会网站上挑选心仪对象的方式，都有规律可循。在《爱情数学》一书中，作者将逐一介绍这些模式，教你如何计算找到真爱的机率，用数学证明在酒吧跟人搭讪比坐等别人来搭讪要更好，还可以用数学技巧帮你策划一场完美婚礼。
汉娜·弗利博士是英国伦敦大学的数学讲师，擅长用数学模型来研究人类的行为模式，从购物到闹事，都是她的研究范围。
本书金句 Key insights
● 黄金比例并不总是美的标准。
- Some mathematical concepts are linked to beauty, but the golden ratio is not one of them.
● 首先，你可以把自己喜欢的对象按照喜爱程度列了一张清单，然后先从最喜欢的那个开始搭讪。如果被拒绝了，那就搭讪下一个咯，以此类推，最后你就会和有可能接受你的人中最好的那一个在一起。
- If you start at the top of the list of people you’d like to hook up with, and work your way down, you’ll end up with the best possible person who accepts your advances.
● 在博弈论中，女性被视为敌人，她的目标是用性作为武器，以赢得最优质的男人。而男人要采取的战略是：为了打动你看中的女人，你要选贵的礼物，但是必须是公认的有特殊含义的礼物。
- In game theory, the woman is regarded as an opponent whose task it is to win the best man by using sex as a means of bargaining. Here’s how the strategy works: in order to impress the woman in question, choose gifts that have a high value, but have to be shared to have meaning.
● 在性关系网络中，那些有过众多性伴侣的人就是一个个聚焦点，他们就是疾病传播链中的核心点。
- Those who have a very high number of sexual partners create focus points in the sexual network – and these are the critical players in the transmission of disease.
● 这种理论叫做最优停止理论，它的机制是这样：如果你一生中注定要约会10个人，公式表明，当你拒绝了前四个人后，你最有可能找到对的人。
- It’s known as the optimal stopping theory and works as follows: if you’re destined to date ten people over your lifetime, the formula dictates that you have the highest chance of finding The One if you reject your first four partners.