When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Couples' personalities converge over time to make partners more and more similar.
235
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Men who kiss their wives in the morning live five years longer than those who don't.
1k
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4