One in five long-term love relationships began with one or both partners being involved with others.
177
The single biggest predictor of love is proximity.
30
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
You burn 26 calories in a one minute kiss.
605
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
