When it comes to sex, we are quite the shallow bunch: Something as simple as the smell of your sweat, the dilation of your pupils or the proportion of your waistline can make all the difference.
Yet science also shows that personality traits matter at least some of the time, both in the long-term partners we choose and our shorter-term, umm, relationships.
So say you want to have more sex — hypothetically, of course. Should you offer flowers or act aloof?
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The answer is complicated. Here's just some of what science has figured out about the mating game and personality. The findings are as diverse — and as seemingly contradictory — as we humans.