When cats are happy, they may squeeze their eyes shut.
10
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Raj from the Big Bang Theory is married to Miss India.
11