Couples' personalities converge over time to make partners more and more similar.
235
Parents receive 1 out of every 5 Valentines.
20
Men fall in love faster than women do.
32
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.
28
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
The single biggest predictor of love is proximity.
30
Speed dating was invented by a Rabbi in 1999.
45
