In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
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.
687
Couples' personalities converge over time to make partners more and more similar.
235
Wearing red increases attraction.
30
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Kissing an infection-free partner is good for your teeth!
141
Historically, sweat has been an active ingredient in perfume and love potions.
309