40% of people who are rejected in romantic love slip into clinical depression.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Kissing an infection-free partner is good for your teeth!
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