Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Wearing red increases attraction.
30
The average person will go on a date at least 100 times before they finally marry.
33
Men who kiss their wives in the morning live five years longer than those who don't.
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Couples' personalities converge over time to make partners more and more similar.
235