I like to check out the height of the pornstar before I start masturbating and I have noticed that around 90% of the girls are either 5'4-5'6. It's quite rare for girls to be above that bracket. I didn't know if that was something just of a coincidence, but I decided to check it out and according to this source from

http://www.usablestats.com/images/men_women_height_histogram.jpg

I was correct. Lol. And they all want a 6+ feet basketball player.