"Matt has a massive crush on me. And I keep batting him off, I keep saying ‘Matt please just leave me alone’ because, you know, it gets a bit much sometimes actually." -KG
42/100 Doctor Who Series 7 pictures
So this just happened.
“Well, I remember this moment… We were filming in Neath Abbey [in December 2010, for The Almost People/The Rebel Flesh], and Arthur looked at me and was like, ‘Shall we just-?’ I went, ‘Yeah, let’s do it.’ And then we told him. It was kind of like a love thing. Matt was weirdly, like, ‘Oh my God.’ I think it was a real mix of emotions for him.”
— Karen on telling Matt she was leaving the show [Doctor Who Magazine 453]