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
Kissing an infection-free partner is good for your teeth!
141
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Men who kiss their wives in the morning live five years longer than those who don't.
1k
One in five long-term love relationships began with one or both partners being involved with others.
177
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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