You burn 26 calories in a one minute kiss.
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Kissing an infection-free partner is good for your teeth!
141
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The single biggest predictor of love is proximity.
30
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26