It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
One in five long-term love relationships began with one or both partners being involved with others.
177
Wearing red increases attraction.
30