most woman have a 5 to 6 in cavity length, and anything much longer smacks the cervix which, to most women, is painful and unpleasant.
Girth is the most desireable asset, it's a sensation that is pleasureable yet challenging to most but accomodates just fine, after all, it's designed to have roughly 8 pd pushed through it.
Size queens are usually men or stockholm syndrome brainwashed sex abuse victims.