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
Ross Geller two begin dating each other only from Episode 15 of Season 2 after in the earlier episode The One with the Prom Video it is revealed that Ross despite being two years senior to Rachel had decided to be her date on her and Monica’s prom, as Rachel's date had not arrived, only to be left disappointed as her date arrives and they both along with Monica and her date take off for the prom. Rachel famously kisses Ross on learning this revelation. However, they take a break from their relationship on their one-year anniversary together. That night, Ross has