The single biggest predictor of love is proximity.
30
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
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
Parents receive 1 out of every 5 Valentines.
20
One in five long-term love relationships began with one or both partners being involved with others.
177
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38