One in five long-term love relationships began with one or both partners being involved with others.
177
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Speed dating was invented by a Rabbi in 1999.
45
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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