"Game of Thrones" star Kit Harington admitted it was "really odd" to kiss his "best friend" Emilia Clarke on screen in the Season 8 premiere that aired Sunday, in part because Clarke is so close to his wife, former "GoT" actress Rose Leslie.

"Emilia and I had been best friends over a seven-year period and by the time we had to kiss it seemed really odd,” Harington, 32, told The Daily Mirror.

“Emilia, Rose and I are good friends, so even though you’re actors and it’s your job, there’s an element of weirdness when the three of us are having dinner and we had a kissing scene that day."

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It's not that weird, however. He joked, “She’s wonderful and I love Emilia and I’ve loved working with her. And it’s not hard to kiss her, is it?”

"Game of Thrones" star Kit Harington said kissing co-star Emilia Clarke was "odd" because she's close with his wife, former "Game of Thrones" actress Rose Leslie.

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Harington confessed that playing Jon Snow changed his life entirely.

“I look back at who I was when I started Thrones and it’s emotional because that Kit is so different from me today," he said. “That Kit was just amazed at everything but now when I’m on a red carpet and there are flashbulbs, I take it for granted."

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“But I remember the first time I went to an awards and it was just extraordinary," he said of his early days of notoriety. "It was dreamlike. Fame is a really odd situation. There are times when I’ve been a p—k and been ­egotistical. But I have always had people around who have been truthful with me and put me right."

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"Game of Thrones" star Kit Harington is married to former co-star Rose Leslie. (Getty)

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“So looking back, there’s not much I would change," he said. "The mistakes I’ve made have made me who I am and I’m happy with who I am.”

Still, it doesn't mean Harington would necessarily jump at the chance to do TV ever again.

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“Unless something amazing turns up that I can’t say no to, it would be hard for me to sign a six-year deal on a show,” he admitted. “I’m looking at theatre, limited series and movies. TV has really developed, which means I can do interesting drama. Just not with too many seasons!”