Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Wearing red increases attraction.
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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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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Historically, sweat has been an active ingredient in perfume and love potions.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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