By Men’s Health
“according to a recent study from the Kinsey Institute at Indiana University, 20 percent of guys in the U.S. are dissatisfied with the size of their genitals.”
Read the entire article: http://www.menshealth.com/sex-women/does-penis-size-matter?cm_mmc=Facebook-_-MensHealth-_-Content-SexWomen-_-PenisSize