When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Speed dating was invented by a Rabbi in 1999.
45
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
You burn 26 calories in a one minute kiss.
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