It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Historically, sweat has been an active ingredient in perfume and love potions.
309
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
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!)
278
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
One in five long-term love relationships began with one or both partners being involved with others.
177