Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Dolphins have names for one another.
18
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81