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"
Monica Geller a much shorter shelf life for the show"; Monica and Chandler's arc is believed to have extended the series by approximately three years. Crane and Kauffman had always intended to give Monica and Chandler a child. When it finally came time for them to write the finale, the idea of the couple adopting newborn twins was conceived at the last minute simply "for fun". The birth of Monica and Chandler's twins serves as one of the finale's main plots. They were named Jack and Erica – after Monica's father and their birth mother, respectively. – The twins are born three