to do what? >> you have to be naked. and whether that is physically naked as the entire course is and the professor, or emotionally you got to be naked. >> okay. and i wonder how many people have taken the oh, i'm going to be emotionally naked as opposed to really naked? >> in the last 11 years, only one student has opted to do so. according to my knowledge. >> okay. the other kind of thing about this, is in addition to the students all being naked, who else is naked in the class? >> the professor. >> there's a picture of the professor right there. what's the reaction -- apparently you had never heard about this class, you don't know nobody who's taken the class. what your concern about the class? >> it's surprising a professor has been teaching a class and having this requirement for the last 11 years.