Speed dating was invented by a Rabbi in 1999.
45
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
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
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130