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
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Speed dating was invented by a Rabbi in 1999.
45
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Couples' personalities converge over time to make partners more and more similar.
235
You burn 26 calories in a one minute kiss.
605
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130