Men who kiss their wives in the morning live five years longer than those who don't.
1k
40% of people who are rejected in romantic love slip into clinical depression.
72
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
Wearing red increases attraction.
30
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Couples' personalities converge over time to make partners more and more similar.
235
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12