Couples' personalities converge over time to make partners more and more similar.
235
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The average person will go on a date at least 100 times before they finally marry.
33