Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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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.
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Couples' personalities converge over time to make partners more and more similar.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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You burn 26 calories in a one minute kiss.
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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.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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