You burn 26 calories in a one minute kiss.
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Parents receive 1 out of every 5 Valentines.
20
Men fall in love faster than women do.
32
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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