ribit:
re: "...in spite of overpopulation being a problem, sex remains popular."
Yes, but the same can be said for back yard barbecues, living in a warm house, and world leader travel to Climate change Summits that release 300,000 tons of CO2 into the atmosphere.

Gold is $1,581/oz today. When it hits $2,000, it will be up 26.5%. Let's see how long that takes. - De 3/11/2013 - ANSWER: 7 Years, 5 Months