Couples' personalities converge over time to make partners more and more similar.
235
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The average person will go on a date at least 100 times before they finally marry.
33
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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
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