Any size is just about right, Why?, The female's clitoris is well within the range of any size penis or tongue. Me, I think that a tongue can do more than any blunt, erected penis could ever do in a vagina. When it, the penis, has fadded away, gone limp, She may or may not of had her orgasm, but a tongue can keep on licking, and her orgasms, one right after the other can keep on ticking. If you Penis fads away too soon, this is what I have to say, Go ahead and use your tongue, Why not make her sexual day.