Matthew Perry Apparently Refused to Let Chandler Cheat on Monica on Friends

glamour.com:

didn't get enough mileage out of “we were on a break,” apparently there was talk of Chandler cheating on Monica until Matthew Perry pointed out that it was a terrible idea.In the aftermath of the , co-workers and friends have been their experiences with including Lisa Cash, who appeared briefly in the Friends season 5 episode “The One In Vegas, Part 1.” Cash has a line as the flight attendant who talks to Ross and Rachel, but, she told , the episode almost went in a very different direction.“I came in as a guest star and I was super excited,” Cash said. “The scene was Chandler and Monica were arguing in Vegas about having lunch with Richard.

Initially in our script, Chandler goes up to the hotel room, orders room service and I bring it up [to him] as a hotel worker.

We end up talking and laughing and connecting and Chandler ends up cheating on Monica with my character.”“We had rehearsed it and everything,” she continued. “The day before we were shooting in front of a live audience, I was told that went to the writers and said the audience would never forgive [Chandler] for cheating on Monica.

He was probably right! That would’ve changed possibly the course of the show and his character.”Given that the two-part episode ends with Chandler and Monica deciding to get married (they don't go through with it because they run into a very drunk Ross and Rachel at the chapel), it's hard to see how the cheating storyline could have made it to “the day before” the shoot, but it's easy to believe Cash's description of Perry: “He was so likable and welcoming and just made me feel at ease.