Historically, sweat has been an active ingredient in perfume and love potions.
309
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88