I'm amazed at these statistics:

"In high school each extra IQ point above average increases chances of male virginity by about 3%. 35% of MIT grad students have never had sex, compared to only 20% of average nineteen year old men

...

If you’re smart, don’t drink much, stay out of fights, display a friendly personality, and have no criminal history – then you are the population most at risk of being miserable and alone. “At risk” doesn’t mean “for sure”, any more than every single smoker gets lung cancer and every single nonsmoker lives to a ripe old age – but your odds get worse. In other words, everything that “nice guys” complain of is pretty darned accurate. But that shouldn’t be too hard to guess…"