The seventh season of HBO’s hit series “Game of Thrones” concluded with the dramatic revelation of Jon Snow’s true Targaryen parentage. But the moment was dampened with the simultaneously awkward and thrilling shots of Jon Snow and his aunt, Daenerys Targaryen, having sex for the first time.

The scene was made doubly uncomfortable if you knew Kit Harington (Jon Snow) and Emilia Clarke (Daenerys Targaryen) are close friends in real life.

“If you’ve known someone for six years and they’re best friends with your girlfriend, and you’re best friends with them, there is something unnatural and strange about doing a love scene,” Harington told Vanity Fair’s Joanna Robinson about filming the famous boat encounter.

Wait….. did I NOT tell you guys?! Um yeah. Now if he’d only bend the bloody knee there’ll be no problems….. 🔥💃❄️🕺 #modragonsmoproblems #igot99problemsandjonsnowisone #whichroundsmeupto100problems #youknownothingjonsnow

A post shared by @ emilia_clarke on Aug 6, 2017 at 10:12am PDTAug 6, 2017 at 10:12am PDT

Harington is now engaged to Rose Leslie — the girlfriend he was referencing above. Harington and Leslie played on-screen lovers Jon and Ygritte on earlier seasons of “Game of Thrones.” Their fictional romance turned into a real life love story as they began quietly dating in 2012, and then Harington proposed late last year.

Clarke became best friends with Leslie through Harington, and the three are still close. All this friend-bonding made it strange for Clarke and Harington to conjure up that chemistry in front of a camera.

After the finale aired last year, HBO released a behind-the-scenes interview with Clarke and Harington about the
union. Both stars made gagging noises at the camera as they described the weirdness of Jon Snow having sex with his aunt without realizing it.