Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When dragonflies mate, their tails form a love heart.
22
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88