When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
The single biggest predictor of love is proximity.
30
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Speed dating was invented by a Rabbi in 1999.
45