It's just amazing that with all our science, human sexuality isn't better understood. We have to learn trigonometry in school, which most of us will never use, but we hardly study sex at all, which all of use will be mildly to wildly obsessed with. Good scientific sex studies are few and far between.
The Kama Sutra and other Indian sex philosophy places emphasis on the proper match between a man and a woman. The men are divided into three groups, based on the size of their penis. The women are divided into three groups based on the size of their vagina. Matching a small man with a large woman doesn't work well, as does matching a large man with a small woman.
The biggest size queen I dated (she liked truly rare ones, 10"+ and thick), is also the largest inside of all women I've been with. It's no surprise!
Here's
something (mild work warning) I found on the net. It's not the real thing, but is a summary of the Kama Sutra on this subject. This is an excerpt:
"On Sexual Union...Chap 1...
MAN is divided into three classes, viz. the hare man, the bull man, and the horse man, according to the size of his lingam.
Woman also, according to the depth of her yoni, is either a female deer, a mare, or a female elephant.
There are thus three equal unions between persons of corresponding dimensions, and there are six unequal unions, when the dimensions do not correspond, or nine in all ...
The Kama Sutra is adamant that the largest men should stay with the most accommodating women, and that each should stick with those who best match them biologically and mentally." (There is another matching factor based on how long the man lasts.)
It's too bad small guys can't seek out small women so they have the match they were made to be. Society is so sexually repressed and insecure that this info is not disclosed in advance (or even known), so it ends up a crap shoot.
The most important thing for the guy who started this thread is that he consider himself a man, in all respects, regardless of his size. If he can get to that place, women will be turned on by him and he will be able to sexually satisfy the majority of them.