When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Raj from the Big Bang Theory is married to Miss India.
11
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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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Speed dating was invented by a Rabbi in 1999.
45
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39