40% of people who are rejected in romantic love slip into clinical depression.
72
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
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Speed dating was invented by a Rabbi in 1999.
45
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The single biggest predictor of love is proximity.
30