Downton Abbey creator Julian Fellowes opened up on his heartbreaking goodbye to the series he worked on for so long.

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The British drama starring Hugh Bonneville and Michelle Dockery will be saying farewell after the sixth season. In a report from Xpose on Monday, Fellowes gave a deep statement on his acceptance of letting the show run its course.

"The unreality of the show I slightly forget because they've been so real to me for so many years now," he said. "For six years I've been going with these people and so I do think you have a little bit of sadness, no matter how idiotic it is, and sentimental, you do feel rather sorry to say goodbye to these people because I've enjoyed the creation and I'll be sorry to see them go."

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Fellowes also pointed out that he doesn't have a favorite character because each one of them has created something remarkable.

"I think I'm in love with all of them," the creator said. "But also when a part is very well cast, the actor starts to bring qualities into the characterization that you then start to write for so it becomes completely collaborative and I think that's true for all of them."

Downton Abbey Season 6 premieres in the United States on Sunday, January 3 on PBS. There will also be a Christmas episode this holiday season.

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