I am betting it would be alot less than 8 inches but it seems to be a very complex thing my wife is max 8 that is when can feel it bottom out and cause pain and discomfort but im sure 8 is more than average
As far as sex position i wkuld say missionary is all that works for, my wifes favorite is doggy but i cannot do that with her. My favorite position overall is with her at the edge/corner of the bed feet hanging off as im on the floor on my knees
I had one experience me and my wife were at the neigbors party and she had this urge to tell everyone that she put my tiny cock in a tiny chastity cage, and they were all like huh, what and curious about so my wife made me pull down my pants and show them all my tiny dick in my chastity. And...