Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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
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
40% of people who are rejected in romantic love slip into clinical depression.
72
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Historically, sweat has been an active ingredient in perfume and love potions.
309