Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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
Raj from the Big Bang Theory is married to Miss India.
11
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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