Monica Geller based the six main characters on some of their own friends and family; Monica is based on Kauffman herself. Observing that each main character was originally written as a "one-note stereotype", Jonathan Bernstein of "The Daily Telegraph" identified Monica as the group's "uptight fun-killer". When "Friends" first aired, the majority of its earliest episodes revolved around Monica, via whom each character appears to be interconnected; "Friends" stars the character's brother, her best friend, her former roommate and her two neighbors socializing in Monica's apartment. In the pilot, Monica is dumped almost immediately after sleeping with her new date Paul on
Brother and Sister over them and their marriages as a consequence. The stories have been interpreted as a wish by women for the return of their brothers, freeing them from this control. However, the issues of when the stories were collected are unclear, and stories of this type have been found in many other cultures, where this issue can not have inspired them. Modern psycho-analysis interprets the relation between brother and sister in this story as a metaphor for the animalistic and spiritual duality in humans. The brother represents the instinctive and the sister the rational side. As "Brother and Sister" opens, the