The single biggest predictor of love is proximity.
30
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Men fall in love faster than women do.
32
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
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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