Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Men fall in love faster than women do.
32
40% of people who are rejected in romantic love slip into clinical depression.
72
The single biggest predictor of love is proximity.
30
Historically, sweat has been an active ingredient in perfume and love potions.
309
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Couples' personalities converge over time to make partners more and more similar.
235