Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13