1. The percentage of women who say that they have sex simply to get their boyfriend or husband to help around the house: 84% 2. 30 minutes of sex burns 200 calories, on average. Foreplay, sadly, does not count towards this total. 3. 20% of Americans have had sex with a co-worker. Think about this if you work in a 5-person office, that means two of you have slept together. 4. One in four Americans have an incurable STD. Remember that 5-person office youre working in? See those other four people across the room from you? Guess what one of them has? 5. 12% of married people sleep alone, whether it be in separate rooms or separate beds. 6. The average couple spends 20 minutes on foreplay. 7. The average person has sex 103 times per year, or about once every 3.5 days. 8. 48% of women surveyed have faked an orgasm at least once 9. 48% of Americans report that they are satisfied with their sex life. The report was not clear if this 48% and the 48% who faked orgasms were the same group.