Why did Richard Simmons walk off the David Letterman show?

Richard Simmons walked off the David Letterman show in 1991 after a segment that became uncomfortable for him. During the appearance, Letterman made several jokes about Simmons' flamboyant personality and weight, which Simmons felt were disrespectful. Frustrated by the tone of the conversation, he decided to leave the set, highlighting his sensitivity to the way he was being portrayed. This incident underscored the challenges of navigating public persona and personal feelings in the entertainment industry.