Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Historically, sweat has been an active ingredient in perfume and love potions.
309
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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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Wearing red increases attraction.
30
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44