You burn 26 calories in a one minute kiss.
605
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
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
Men fall in love faster than women do.
32