40% of people who are rejected in romantic love slip into clinical depression.
72
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
One in five long-term love relationships began with one or both partners being involved with others.
177
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
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99