His genuinely erotic work is not petrified but drawn on paper, swiftly and eagerly, snatching at a momentary tautness before the drowning and the beaching that is the aftermath of desire. The difference lies in the medium: the pencil that skips and dances, to succumb deliciously in a momentary curve. The drawings bespeak intimacy, as they draw the viewer close. Rodin's eye is on the subject rather than on his drawing. It is not his virility that speaks, but vulnerability and longing. And that is sexy.
I enjoy the statement that "'erotic sculpture' is an oxymoron." Germaine Greer discusses Rodin and pays particular compliments to his drawings: