Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Men fall in love faster than women do.
32
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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Raj from the Big Bang Theory is married to Miss India.
11
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234