Ancient instincts in a modern world: where evolved drives misfire

Many modern habits that look irrational make sense once you ask what problem the underlying drive was built to solve. The sources show three different things hiding under the word misfire: drives that fail in a new environment, drives that still work but do damage, and drives that someone else has learned to trigger.

Gad Saad, an evolutionary behavioral scientist, calls the first kind the mismatch hypothesis. Traits that helped hunter-gatherers, like craving fatty food when calories were scarce, become harmful in a world of abundance. Variety makes it worse. People eat more candy from a multicolored bowl than a single-color one, with no change in taste. He applies the same thinking to spending. An expensive car signals status only while peers cannot match it, so billionaires move to more wasteful displays. Counterfeit luxury goods mimic a signal the way harmless animals mimic poisonous ones. Not every old taste misfires. He cites a study in which surgical patients with a window did better.

David Buss, a founder of evolutionary psychology, shows the logic in dating. Across 37 cultures both sexes want kindness, intelligence, health and dependability. In his words, "no one wants a stupid mean ugly disease-ridden mate". Women weigh status and resources more, and men weigh physical cues of youth and health more, which he ties to the unequal costs of reproduction. The modern world distorts this. People lie in the direction of what the other sex wants: online, men add to income and height, and women subtract weight. We did not evolve to judge people from written statements, and the friends and relatives who once vouched for a partner are missing. Jealousy, in his account, is not broken. It is an evolved guard on a long-term bond, with tactics that "range from vigilance to violence". He is emphatic that explaining is not endorsing, and that he is describing averages with many exceptions.

Joe Rogan, talking with comedian Matt Rife, stretches the idea to politics and technology. He argues that people still look for a single tribal leader, that societies without physical threats soften, and that we use technology we did not evolve for, including accounts built to inflame conflict. These are a host's speculation, not research.

They differ on how fixed the instincts are. Buss says we cannot change evolved psychology, only activate some parts and quiet others. Rogan argues both that old genetics persist and that easy times change people. Buss also corrects his own field where findings failed to replicate.

What to do with it: before judging a habit, ask what older problem the drive solved, and whether a trait built for scarcity now meets abundance. Reduce variety where you tend to overeat. Notice when spending is a signal, and ask who the audience is. In online dating, meet in person early and expect exaggeration about income, height and weight. Travel somewhere unfamiliar together to see how someone handles stress. Learn how a person treats others. Step away from engineered online conflict.

Treat verbal abuse and being cut off from friends and family as warning signs. Anyone facing violence or stalking should seek professional help, and decisions about diet or medication belong with a doctor.