Men who kiss their wives in the morning live five years longer than those who don't.
1k
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Couples' personalities converge over time to make partners more and more similar.
235
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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
Wearing red increases attraction.
30
40% of people who are rejected in romantic love slip into clinical depression.
72