Sea otters hold hands while sleeping so they don’t drift away from each other.
104
One in five long-term love relationships began with one or both partners being involved with others.
177
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A man's beard grows fastest when he anticipates sex.
239