I doubt we'll go there ^.^
However... if we do get 'complete' models for our intimate sequences, it may be worth bearing in mind that, in terms of mammalian primate and primate-adjacent species, there is a rough negative correlation (in males) between creature size and genital size - at species level averages, larger creatures tend to present smaller genitalia, while smaller ones present larger equipment. There's also an inverse correlation between flashiness and prominent attraction displays, and genital size in males - flashier and more showy primate and primate adjacent species trend towards having smaller and less productive sex organs than species that do not engage in great amounts of visual display behaviour - so there's every possibility that our very plain, rustic halfling boys are actually packing pretty hard, by the averages...