Ninety-one percent of us admit we lie routinely. Thirty-one percent of us who are married admit to having an extramarital affair lasting over a year. Eighty-six percent of youth lie regularly to their parents, and 75 percent lie regularly to their best friends. One in five loses his or her virginity before the age of 13. Two-thirds of those asked about religion said it plays no role in shaping their opinions about sex.