40% of people who are rejected in romantic love slip into clinical depression.
72
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Parents receive 1 out of every 5 Valentines.
20
Speed dating was invented by a Rabbi in 1999.
45
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234