Parents receive 1 out of every 5 Valentines.
20
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
Couples' personalities converge over time to make partners more and more similar.
235
Two in five people in the world marry their first love.
270
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165