Metropolitan Diary: Public Grooming at the Met I'm guessing this is a first sighting: At the Metropolitan Opera on Jan. 19, during the matinee performance of "Maria Stuarda," I saw just how much at home one audience member apparently felt. At the intermission, the man, seated near me, was using his portable electric razor with no sense of impropriety at all. Reach us via e-mail: diary@nytimes.com and follow @NYTMetro on Twitter using the hashtag #MetDiary.