In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A group of pugs is called a grumble.
10
A puppy is born blind, deaf, and toothless.
16
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13