“We’re good friends off screen and I think that helps. She’s clever and inventive and uhm….she works hard. And I think all of those things allow you to - you know - start on a chemistry together.”
(via mattsmithissexy)Source: lastisle
Plot twist: The next companion is a normal girl/boy who only dies once in their lifetime and has no remarkable back story but he thinks they’re wonderful because they are human and the Doctor needs reminding that you don’t need to be a mystery to be remarkable.