Science Reveals The Real Reason We Close Our Eyes When We Kiss

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In theory, kissing is kind of strange. Like, who were the first two people who smacked their lips together and found out it felt really, really good?

Of course, we know now that lips have a disproportionate number of nerve endings compared to other parts of your body, so getting those peckers on your boyfriend (or that night’s booty call…or your pup) drives us wild. It’s just that when a kiss is good, it’s amazing.

Then again, there are bad kissers – or at least incompatible kissers. Like that guy who slobbered all over you or kept his eyes wide open when he puckered up. Nothing is worse than sneaking a peek at your partner mid-lip lock just to find out that he’s staring at your from centimeters away.

But why do we instinctively close our eyes when we kiss? Turns out, a recent study has the answer.

Psychologists Polly Dalton and Sandra Murphy’s research from the Journal of Experimental Psychology: Human Perception and Performance found that it’s practically impossible our brains to focus on other senses if we’re looking at something. Therefore, we shut our eyes when we kiss so we can enjoy how it feels.

The researchers conducted an experiment where they asked a group of participants to do different letter-searching tasks while a small vibration was applied to their hands. They discovered that during the more difficult letter-searching tasks, they didn’t feel the vibrations as strongly because their brains were focused on what their eyes were doing.

So if you open your eyes during a makeout sesh, you won’t feel as good physically because you’re getting distracted by visual stimuli.

See? Science can be as fun as a dance floor make out. Sort of.

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