Simple:
8 inches of length- In the world of sex- they say- bigger is better- well it is not ALWAYS like that. There is good, big, but there is too big as well. Sex is an act of pleasure and what we all care about is giving the girl more and more pleasure (this is the dominant reason I see for us to have come here on the first place). 6 inches of length is average and there is better, 7 is pretty good and big, 8 is big and I believe is the limit to too big. Basically- women come in different sizes. At 8 inches you would most probably be able to get a GREAT sex session with no pain for the girl and all pleasure. Any more than that might make it painful rather than pleasureable (and this none of us want I suppose
). So 8- while BIG is considered to be absolutely pleasureable and not painful at all (depends on the size of her vagina and how much you stick it in though
)
6 inches of girth- Now this is special! Again- girls vaginas come in defferent sizes, BUT unlike length (where if you are too long for her you can just choose not to stick it all in), girth is the major issue of sex. Most women say that girth is more important to them than lengh, because it makes them feel "fuller" and it stimulated all their inner spots better because it rubs the walls of the vagina pretty well. So the more you fill her up- the better. But there is a point where it is a bit too much (just like length, but even worse). If it is too much- you will have a hard time putting it in and even if you do- the only thing you will see is a girl that is in pain rather than extasy. So long story short- at 5 inches of girth you would be able to please a girl, at 5.5 you would be able to give her really good pleasure and at 6 you would be able to give her really really good pleasure. The 6 inch mark is considered the limit of big enough to too much for most of us.
So this is how these numbers came along- BIG, but not too much. Pleasureable, but not painful. (though it really really depends on vaginal size, this is a good estimate
). I hope I helped, all the best, Zam