Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
The single biggest predictor of love is proximity.
30
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
Wearing red increases attraction.
30