Wearing red increases attraction.
30
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Men fall in love faster than women do.
32
A man's beard grows fastest when he anticipates sex.
239
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
One in five long-term love relationships began with one or both partners being involved with others.
177