You burn 26 calories in a one minute kiss.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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The left ear is more responsive to words of love and emotion whispered into it than the right.
44
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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Couples' personalities converge over time to make partners more and more similar.
235
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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