Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Kissing an infection-free partner is good for your teeth!
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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