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The Guardian - UK
The Guardian - UK
Lifestyle

Why do most humans close their eyes when kissing?

Sealed with a kiss … why do humans clamp their eyes shut when puckering up?
Sealed with a kiss … why do humans clamp their eyes shut when puckering up? Photograph: JGI/Jamie Grill/Getty Images

Why do most humans close their eyes when kissing?
Keith Alexander, Surbiton, Surrey

• Post your answers – and new questions – below, or email them to nq@theguardian.com. Please include name, address and phone number.

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