Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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Raj from the Big Bang Theory is married to Miss India.
11
When dragonflies mate, their tails form a love heart.
22
Baby rabbits are called kittens.
6
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Dolphins have names for one another.
18