8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Historically, sweat has been an active ingredient in perfume and love potions.
309
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The left ear is more responsive to words of love and emotion whispered into it than the right.
40