The mentality behind the sexual act being commited is at least as influential as the physical. Size doesn't have to matter. I am by all means average yet because I am an observant lover i have never had a complaint. I have enjoyed the thrill of cucking others. Yet the sight of my wife's cunt being stretched (so far only with my fist or a toy) turns me on almost as much as the rare time i get to eat my cum from her. I do not like the humiliation direction that cuckoldry can take as much as worship of a beautiful and sexual woman who should be allowed any pleasure they desire. maybe a little off topic, basically it is a mentality