40% of people who are rejected in romantic love slip into clinical depression.
72
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.
28
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The single biggest predictor of love is proximity.
30
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Couples' personalities converge over time to make partners more and more similar.
235
Wearing red increases attraction.
30
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81