If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The single biggest predictor of love is proximity.
30