Couples' personalities converge over time to make partners more and more similar.
235
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
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Kissing an infection-free partner is good for your teeth!
141
The single biggest predictor of love is proximity.
30
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10