Monica Geller Courteney and David, who did get married." Before marrying Cox, Arquette had guest starred in an episode of "Friends" as Phoebe's love interest. During season 10, Cox got pregnant with her and Arquette's child. At that same time, her character and on-screen husband were going through the process of adopting a child. Like Monica and Chandler, Cox and Arquette had also struggled with conceiving in real life. Although Kudrow's real-life pregnancy had successfully been written into the show, the same could not have been done for Cox because "Friends" had already long-established that Monica is incapable of having children. Therefore,
Monica Geller Monica and Ross' "wacky quirks become all the more understandable after ... seeing them with their parents." "Encyclopedia of Television Shows, 1925 through 2010" author Vincent Terrance believes that Monica's competitiveness originates from having grown up with Ross as a brother, against whom she often competed as a child. Kriti Tulsiani of IBNLive described Monica and Ross' relationship as "A blend of love and sibling jealousy with an urge to irritate each other to the deepest core of existence", with Ross often making fun of his sister's weight and Monica teasing him about his several failed marriages in return. In