Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Couples' personalities converge over time to make partners more and more similar.
235
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
The average person will go on a date at least 100 times before they finally marry.
33
40% of people who are rejected in romantic love slip into clinical depression.
72