Couples' personalities converge over time to make partners more and more similar.
235
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
Raj from the Big Bang Theory is married to Miss India.
11
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
40% of people who are rejected in romantic love slip into clinical depression.
72
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26