Historically, sweat has been an active ingredient in perfume and love potions.
309
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Speed dating was invented by a Rabbi in 1999.
45
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
Couples' personalities converge over time to make partners more and more similar.
235
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737