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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
98
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
Wearing red increases attraction.
30
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44