how do you surreptitiously find a woman's g-spot?

let me just drop my virgin nerd gimmick: two inches in on the "roof" and you can only really feel a difference in texture when shes aroused, stimulate it with a "come hither" (cum hitler) motion with your index/middle/both fingers depending on which shes comfortable with

i actually knew this and put it into action tonight this was just a parody thread but thanks.