Physical size seems to have little or no bearing on a woman's capacity. One of my friends is a very petite woman, I doubt she weighs much more than 100 pounds. She can totally engulf, fuck the Hell out of me and howl like a banshee while she does it. I had a woman many years ago and she was well over 6 ft. she just couldn't handle everything I had to offer. It seems that women that have had a hysterectomy generally have considerable capacity for large cock