Ray Dalio: 大自然以它提供的巨大快感的形式给了我们性交的极大动力，即使发生性行为的目的是为了促进 DNA 的进步。这样，我们在为整体进化做出贡献的同时，单独获得我们想要的东西。 2/2

原推：Nature gave us one hell of an incentive to have sex in the form of the great pleasure it provides, even though the purpose of having sex is to contribute to the advancement of the DNA. That way we individually get what we want while contributing to the evolution of the whole. 2/2
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