first off a womens vagina has alot less bacteria than her mouth. the human mouth is one of the most nasty in the animal kingdom. our saliva doesn't change nearly as much as most animals. that being said, try drawing the alphabet with the tip of your tongue on/around her clit. my wife ususally lets one go before i get to mno, of course u need to pay attention to her breathing/moans that'll tell you you doing things properly., r