Game of Thrones: Kit Harington upset Rose Leslie by spoiling the finale

Rose Leslie can now only wish Kit Harington knew nothing about the end of Game of Thrones.

Harington told U.K. radio station KISS FM’s morning show Friday that he made the mistake of telling his wife and former costar how the HBO drama ends — at her request.

“I told my wife last year how it ended, and she wouldn’t talk to me for about three days,” he told hosts Tom Green and Daisy Maskell, confirmed by EW. “And she’d asked!”

Leslie, of course, played Ygritte, the love interest of Kit Harington’s Jon Snow, on the show for three seasons. The duo were married last July.

As EW first reported, Harington avoided learning any spoilers from the final season scripts until attending a live table read with the rest of the cast. Read our exclusive account of how that went down.

“I can’t really answer whether I’m happy or not,” Harington added about the show’s ending. “I don’t think it’s about happy or sad, really. I’m satisfied with what they did, but I don’t know whether I’ll be really satisfied until I see it.”

Continued the actor: “It’s quite nice walking around, which will only happen for a few months before everyone’s seen it, knowing. I know and no one else does. I know how it wraps up. I think it’s gonna be groundbreaking.”

Harington also played a game with the hosts where he used emojis to attempt to answer questions about the final season:

Game of Thrones returns April 14.

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• Game of Thrones stars Kit Harington and Rose Leslie wed in Scotland: See the photos