Keen On

"She's a ten to me and that's the part that matters." — Paul EastwickIf it's Valentine's Day, we must be talking about love. Paul Eastwick studies attraction and relationships at UC Davis, and his new book Bonded by Evolution takes aim at the "old science" that treated romance like a competitive market where everyone gets assigned a number. The incels, of course, ran with that research to compound their paranoia about the other sex. Eastwick says they got it wrong—and so, with the exception of Paul Eastwick, did most academics.When two people look at the same photograph and make a hot-or-not judgment, Eastwick explains, they only agree about 65% of the time. After they've known the person for months, agreement drops to barely better than a coin flip. So there isn't any universal hierarchy of desirability. What's real is that some people will think you're an 8 and others will think you're a 3—and that quirky disagreement explains most of what happens in the science of attraction. The problem is that dating app