In a series, you really need to stay open-minded. It's not like a play or a film, where you can create and fully commit to your character's back-story.
“But if people want to swim in the Thames, if they want to take their lives into their own hands, then they should be able to do so with all the freedom and exhilaration of our woad-painted ancestors.”
“When the show is over we still have to pay our rent, we have to buy food. We have to do all the same things that you do.”