40% of people who are rejected in romantic love slip into clinical depression.
72
Wearing red increases attraction.
30
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
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81