Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Parents receive 1 out of every 5 Valentines.
20
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Historically, sweat has been an active ingredient in perfume and love potions.
309
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
40% of people who are rejected in romantic love slip into clinical depression.
72
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69