Wearing red increases attraction.
30
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The single biggest predictor of love is proximity.
30
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
You burn 26 calories in a one minute kiss.
605
Men who kiss their wives in the morning live five years longer than those who don't.
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