If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
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
Wearing red increases attraction.
30