Original sentence: Glover has also mentioned that his performance was an artistic one, and that he prefers there to be an "aura of mystery" about the appearance.To this day, speculation remains on whether or not Glover's appearance on the show was simply a staged performance, or if Glover's behavior was genuine (Glover has mentioned in interviews that there were rumors that he was either suffering from mental illness or had taken a hit of LSD prior to walking out on stage)
Edited sentence: Glover has also mentioned that he prefers there to be an "aura of mystery" about the appearance.To this day, speculation remains on whether or not Glover's appearance on the show was simply a staged performance, or if Glover's behavior was genuine)