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
Kissing an infection-free partner is good for your teeth!
141
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27