Do you lean to the left or the right when you’re going in for a snog? Well, if you lean to the left you’re in the minority according to scientists.

A study from an international team of psychologists and neuroscientists suggests that humans are hardwired to favour leaning to the right while kissing a romantic partner.

Building on previous research on the same topic, an academic paper published in the journal Scientific Reports, is the first study in the world to show that kiss recipients have a tendency to match their partners’ head-leaning direction.

The research team invited 48 couples to kiss privately in their own homes, and after kissing they were asked to go to different rooms, open an envelope and then report on various aspects of the kiss independently of each partner. Their results showed a bias to turn heads to the right when kissing for both the initiator and the recipient of the kiss, and also that men were about 15 times more likely than women to initiate kissing.

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Over two-thirds of the kiss initiators and kiss recipients turned their heads to the right. Interestingly, being right or left-handed predicted head-leaning direction in the kiss initiators, but not in the kiss recipients. When mirroring each other’s head movements on request for a kiss, both the kiss initiators and the kiss recipients reported that they felt physically uncomfortable kissing in that way.

source her.ie