Slow Burn cover image

Decoder Ring: A Brief History of Making Out

Slow Burn

00:00

The Sexy Kiss

There's no one answer here. An evolutionary biologist have developed a bunch of theories about it, like besides just feeling good and increasing arousal. But the idea I was most taken with came from the primatologist Franz de Voll. He thinks primates have a whole host of kissing like behaviors called vulnerable contact behavior. In Costa Rica, Capuchen monkeys stick fingers up the noses of each other and sit like that for half an hour.

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