Mr. Humphries is never elaborated upon. Though Mr. Humphries exhibits many of the behaviors typical of a gay stereotype, his true sexual orientation is never explicitly confirmed in the series. The reticence was a necessity given prevailing attitudes at the time the series was produced: after the first five episodes of "Are You Being Served?", a senior BBC executive ordered David Croft to "Get rid of the poof" from the show – Croft declined, saying: "If the poof goes, I go." Many jokes throw Mr Humphries into heterosexual clinches. At one point he is asked to fill in for Mrs. Slocombe at
Mr. Know It All live results show of season 8 of the British television series "The X Factor" on October 23, 2011, and is scheduled to perform the song on the U.S. series of "The X Factor" on November 23, 2011. Clarkson performed the song on "The Today Show" on October 25, 2011, on "The View" on October 26, 2011, and on "Late Night with Jimmy Fallon" on October 28, 2011. Clarkson performed "Mr. Know It All" at the 2011 American Music Awards. On January 7, 2012 she performed it on "Saturday Night Live". Clarkson performed the acoustic version of "Mr. Know It All"