Wearing red increases attraction.
30
The average person will go on a date at least 100 times before they finally marry.
33
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Couples' personalities converge over time to make partners more and more similar.
235
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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