Parents receive 1 out of every 5 Valentines.
20
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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!
44
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
You burn 26 calories in a one minute kiss.
605
Men fall in love faster than women do.
32