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
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
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
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Raj from the Big Bang Theory is married to Miss India.
11