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
Couples' personalities converge over time to make partners more and more similar.
235
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278