Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Couples' personalities converge over time to make partners more and more similar.
235
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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.
28
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Kissing an infection-free partner is good for your teeth!
141