You wont find any guys who are 3 because thats as rare as 9, pretty non existent. 4 inches is also pretty rare, whats more likely is alot of guys who are 5 to 7 inches and want more but arent actually that far off the average.
Its called natural distribution and its a much more reliable guide then self measurement. There have been alot of polls, see if any of them match that
Horse hung, you’d have to ask a woman what her idea of that would be because obviously no guy is actually that size or he’d have problems! I had some girl mention this once and her idea was like 10 inches, if you include the fact she is basing that purely on looks so it probably includes the balls and not the actual usable length it’d relate to a measurement anywhere from 7 something to an actual 10 I reckon
The guys on here who probably have the best idea of what is the real average are the gay guys, experts in the field!