Andrew Huberman· PhD
And what I argued is, and do argue, is that jealousy is an evolved emotion that serves several adaptive functions, okay? One of which you mentioned is a paternity certainty function.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
And what I argued is, and do argue, is that jealousy is an evolved emotion that serves several adaptive functions, okay? One of which you mentioned is a paternity certainty function.
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And jealousy serves this mate guarding function, if you will, or mate retention function. So in other words, one way of phrasing this, is that we know that they are affairs, we know that people break up, they get divorced, but people have adaptations to want to hold on to their mates, okay? And that's what jealousy's in part about.
Jealousy is an evolved emotion that serves several adaptive functions. Okay. Uh once you have long-term mating, you need a uh a defense to prevent or preserve the investment that you've made and are making in long-term mateship.