Q: My wife is interested in finding a bull with a large endowment. I'm worried that may have a negative impact in our sex life together. What do you think? A: You may be asking more about your ego than anything, but putting that issue aside, most woman who think they want large really want different. The average vagina is only 2.5 inches long. Often an excessively large penis is uncomfortable for most women so I always encourage performance over size. You have probably seen some porn movie where a woman take a massive cock.  When having sex, the vaginal canal can get longer to accommodate penetration. Sexual arousal forces the cervix and uterus to lift up and out of the way, which causes the upper two-thirds of the vagina to lengthen. So while it's possible to take a large one, it's not always easy or practical.  The average penis size is 5 inches. Many men of this size are under the impression they are small. That is not true. To address your original question, if you ar...