Which is almost as difficult to comprehend as that moment we discovered that Monica and Joey were meant to be a couple in the landmark TV series.

Speaking about the change in casting for the first time, Cox said that she decided to play Monica because she “related more” to the character.

"For some reason, I thought I related more to Monica, which is maybe because I do," Cox said on the US interview programme Off Camera With Sam Jones.

"I'm very similar to her. I'm not as clean as Monica, but I'm neat. And I'm not as competitive, even though some people, my partner Johnny McDaid, would say I am."

Friends fans, this is why Courteney Cox really turned down the role of Rachel