
Of course its cock size and tightness of your ass, too. But not as much as porn makes us believe. Us is users and performers. You sure know your biz a bit!

And traning is important of course, too, as well as private sex experience.
So, its a mix, but sure not justifying your cheap call to fans (and directors?) to try it all first before asking for it to be staged on a porn set and packed as entertainment.

