Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Wearing red increases attraction.
30
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