Monica Geller Scott Silveri and Shana Goldberg-Meehan, who first observed the characters' chemistry in the season two episode "The One Where Ross Finds Out", in which an idle and unemployed Monica is temporarily acting as Chandler's personal trainer. However, Silveri's suggestion was initially vetoed by the other writers, who felt that it was simply too soon to introduce another main couple to "Friends" having just recently paired off Ross and Rachel. Following Ross and Rachel's break up in season three, the writers felt that the timing was just about right to officially introduce Monica and Chandler as a couple, deciding that "Friends"
Ross Geller grew closer to each other though the competition between them was still visible as seen in the season three episode, "The One with the Football". Ross often comes into conflict with his close friend, Phoebe Buffay. His rationality and Phoebe's eccentricity lead to conflict over evolution, gravity, and whether Phoebe's mother was reincarnated as a cat. It is also revealed that Phoebe once mugged Ross (stealing a copy of the comic book "Science Boy" that Geller had created) when they were teenagers. The two are roommates for a few weeks when a fire forces Phoebe to move into Chandler Bing