Monica Geller altered the trajectory of the entire series, having life-changing effects on its characters. Summarizing the role of Monica in the series, Martin Gitlin wrote in his book "The Greatest Sitcoms of All Time" that while her friends "were ... just out to make the most of their social lives", Monica "sought to keep the others in line" while searching for "Mr. Right", who surprisingly turns out to be close friend Chandler. Several years before Monica and Chandler became romantically involved, Cox once joked in an interview that if her character were to ever have sex with another main character, it
Monica Geller two characters spend several years living together as roommates until Monica begins a romantic relationship with long-time neighbor and friend Chandler Bing, whom she marries. Unable to conceive children on their own, the couple eventually adopts twins and moves out of their apartment into a larger house in the suburbs. The creators' first choice for the role of Monica was comedian Janeane Garofalo. Cox had originally been offered the role of Rachel but declined in favor of playing the character's best friend Monica because she was drawn to her strong personality. Meanwhile, the role of Rachel went to actress Jennifer