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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Historically, sweat has been an active ingredient in perfume and love potions.
309
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99