In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Couples' personalities converge over time to make partners more and more similar.
235