Couples' personalities converge over time to make partners more and more similar.
235
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
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
40% of people who are rejected in romantic love slip into clinical depression.
72