When dragonflies mate, their tails form a love heart.
22
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
A man's beard grows fastest when he anticipates sex.
239
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40