I'm a well read grad student who's bluntly honest about all things, although I try to be most honest about myself.
http://io9.com/this-librarys-copy-of-fifty-shades-of-grey-has-herpes-1465424824
I... I don't want to know what people are doing while reading, that there's minuscule traces of herpes and cocaine on their books.
Just don't tell me. Or do. I'm always morbidly curious - so I have a 'don't want/want' relationship with icky information - and it might make me laugh.