One in five long-term love relationships began with one or both partners being involved with others.
177
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Speed dating was invented by a Rabbi in 1999.
45
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Historically, sweat has been an active ingredient in perfume and love potions.
309