When dragonflies mate, their tails form a love heart.
22
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
40% of people who are rejected in romantic love slip into clinical depression.
72
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Men fall in love faster than women do.
32