Sex and Time

Sept 30, 2014

Why are Humans so Dominant?

• 4 most intelligent mammals: whales, dolphins, primates, and elephants

Lunar Calendar

• No other primate shows so close a correlation between menstrual cycle length and the lunar month, nor between any whole number multiple of the menstrual rhythm and the length of gestation

The Science of Adultery

Sept 30, 2014

Extramarital Sex in America

• 1973 Gallup Poll – 70% Americans said affairs were “always wrong”

• 2004 Gallup Poll – 82% Americans

• 2006 – adultery was worse than both polygamy and human cloning

• Once a cheater, always a cheater?

• Part of the American script : a cheating husband will tell his mistress he’s unhappy with his wife

• In China, men regularly praise their wives to their mistresses to prove their respect for women and to set boundaries for the affair

Extramarital Sex in America

• The Talk

• After marriage, a different set of rules are put in place

• Monogamy is engrained in America’s DNA

• State governments banned practically every kind of sex outside marriage

Extramarital Sex in America

Infidelity at a Glance• Percentage of marriages that end in divorce in America:

• Medical field(s) with the highest divorce rate:

• Percentage of marriages where one or both spouses admit to infidelity, either physical or emotional:

• Percentage of men who admit to committing infidelity in any relationship they've had:

• Percentage of women who admit to committing infidelity in any relationship they've had:

• Percentage of men and women who admit to having an affair with a co-worker:

• Percentage of men and women who admit to infidelity on business trips:

• Percentage of men and women who admit to infidelity (emotional or physical) with a brother-in-law or sister-in-law:

• Average length of an affair:

• Percentage of marriages that last after an affair has been admitted to or discovered:

• Percentage of men who say they would have an affair if they knew they would never get caught:

• Percentage of women who say they would have an affair if they knew they would never get caught:

• Why men cheat

• Why women cheat

Infidelity at a Glance

Infidelity at a Glance

• When does infidelity occur?