Ho Prospect Index. A simple statistic that measures your ability to pull ho's. This is not reserved for just one gender. Both men and women can have HPI's. Usually, based primarily on good looks and game.
"Damn, music artists always have such high HPI's"
Marriage Proposal Index. A simple statistic ranking your ability or plausibility of getting married. You get points for all sorts of things, based on your culture. In America, its probably mostly due to money and/or fame. In other places, social status. Sometimes based on profession (doctors can get married easily).
"Man, Denzel's MPI is so high, he doesn't have to worry about anything"