It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Wearing red increases attraction.
30
Historically, sweat has been an active ingredient in perfume and love potions.
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One in five long-term love relationships began with one or both partners being involved with others.
177
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27