Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Parents receive 1 out of every 5 Valentines.
20
Couples' personalities converge over time to make partners more and more similar.
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One in five long-term love relationships began with one or both partners being involved with others.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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