If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Couples' personalities converge over time to make partners more and more similar.
235
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12