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"
Brother and Sister and at long last the family is reunited, where they lived happily ever after until the end. The first recorded appearance of Brother and Sister is in Giambattista Basile's "Pentamerone" around the 17th century. It was written down as the tale of Ninnillo and Nennella. Since then it has circulated in a number of European countries under varying titles but with most of the main story intact. In Russia the story was more commonly known as Sister Alionushka, Brother Ivanushka, and collected by Alexander Afanasyev in his "Narodnye russkie skazki". In the Aarne–Thompson classification system of fairy tales, Brother and