There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Historically, sweat has been an active ingredient in perfume and love potions.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Wearing red increases attraction.
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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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Couples' personalities converge over time to make partners more and more similar.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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