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
One in five long-term love relationships began with one or both partners being involved with others.
177
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!
43
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44