I have actual acting scars.

Why this character [Doctor Strange] is being introduced, to open up the next chapter. A

I was thrilled with how the first series of 'Sherlock' was received. It was such great fun to film, which makes it so rewarding when something you enjoy is so well received.

Sometimes during a conversation with a journalist - where you are answering things you never normally talk about, not even with some of your closest friends - you end up being quite confessional, and you don't think about the amplification of that. No matter how fancy these journalists are, they have editors or political leanings behind their publications, which means that, basically, they're going to shape what you've said into an article they've already written. So you have to be really careful with your words.

You let things run in order to have some sanity and be able to do your work and not feel pre-judged.

There's another weight of us being in the public eye, which is this presumption that, because your work and your promotion work is very public, your private life should be, too.

Kevin Feige said to me: "I don't think we've ever put an actor through quite as much as this, physically and mentally." I'll wear that as a badge of honour. It was endless.