The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Historically, sweat has been an active ingredient in perfume and love potions.
309
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26