Wearing red increases attraction.
30
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
When dragonflies mate, their tails form a love heart.
22
Men fall in love faster than women do.
32
Speed dating was invented by a Rabbi in 1999.
45
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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