Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
A man's beard grows fastest when he anticipates sex.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
40% of people who are rejected in romantic love slip into clinical depression.
72
'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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