Monica Geller privileged, inexperienced childhood best friend Rachel (Jennifer Aniston), with whom she had long lost contact, suddenly arrives in her neighborhood unannounced as a runaway bride after abandoning her own wedding, Monica allows her to move in with her while she attempts to reorganize her life, and the two reconnect. Monica begins dating Dr. Richard Burke (Tom Selleck), an older man who is also one of her father's best friends and 21 years her senior. However, the couple mutually agrees to end their long-running relationship after realizing that Richard does not want children, while Monica aspires to eventually raise a family
Ross Geller and Chandler's wedding that Rachel is pregnant, with the father unknown to everyone but her. In the season 8 finale, Ross’s daughter with Rachel named Emma Geller-Green is born, as a result of their one night stand prior to Chandler and Monica’s wedding. In the final episode of the show, when Rachel is moving to Paris for her job with a new fashion brand, Ross tells her at the airport that he loves her and asks not to leave. Rachel initially doesn't heed his feelings, but when the plane is about to take off, she realizes that she loves him