Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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