It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
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
Wearing red increases attraction.
30
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Couples' personalities converge over time to make partners more and more similar.
235
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38