Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
Raj from the Big Bang Theory is married to Miss India.
11
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26