The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Historically, sweat has been an active ingredient in perfume and love potions.
309
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130