Ross Geller friends, at times Chandler gets annoyed with Ross's geeky behavior. Ross is friends with Rachel Green, whom he has had a crush on since high school. Rachel viewed Ross as ‘Monica’s geeky older brother’ during high school. During the first episode of the series, when they meet after years apart, he rediscovers his feelings for her. They get close to each other and have an on-and-off relationship through the series. In the final season of the show, Rachel tells him that he means more to her than any other member of their group. He is also close friends with Joey
Monica Geller "can't simply rest on this one [Ross and Rachel] relationship", while believing that Monica and Chandler's would ultimately provide a fun opportunity for the writers to explore brand new storylines. Silveri and Goldberg-Meehan deliberately intended to keep Monica and Chandler's union "low-key" in order to further differentiate it from Ross and Rachel's, which had been very public. In order to get an idea how audiences would react to Monica and Chandler hooking up at Ross and Emily's wedding in London, the scene in which a clearly nude Monica suddenly emerges from under the sheets of Chandler's hotel bed was filmed