So many more people recognise you and want to take up a moment of your time for a photo or a hello. You try to deal with it with grace and a degree of humour, because what's the alternative?
Sometimes when you lose your mobile phone, even though it's frustrating, it's sort of rewarding in many ways because, though we do rely on them a lot, we are not reliant on them. The world continues without.
Kids should feel afraid of 'Doctor Who.' All the adults I've talked to remember fondly being afraid when they were kids. That's part of the reason they remember it and love it. And if you're afraid in a controlled way, you sort of appreciate fear in some respect.
If you want to give it a good go, you've got to make some sacrifices and be as dedicated as you can be. Particularly with 'Doctor Who.' It's two or three hours of line-learning a night.
I think there's an interesting contradiction of having a young face and an old soul. There's something funny about it, and it also allows you to reinvent being old.
I asked for a piano in the TARDIS, but it hasn't happened. I'd love to see the Doctor rock up and play, but it'd have to be done in an inventive and silly way.