Parents receive 1 out of every 5 Valentines.
20
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
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