Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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The single biggest predictor of love is proximity.
30
Speed dating was invented by a Rabbi in 1999.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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