I never talk about 'Harry Potter' because I think that would rob children of something that's private to them. I think too many things get explained, so I hate talking about it.
I'm very aware that when one is acting in the theater, you do become kind of animal about it. And you're reliant on instincts rather than tact a lot of the time.
Three children have become adults since a phone call with Jo Rowling, containing one small clue, persuaded me that there was more to Snape than an unchanging costume, and that even though only three of the books were out at that time, she held the entire massive but delicate narrative in the surest of hands.
And it's a human need to be told stories. The more we're governed by idiots and have no control over our destinies, the more we need to tell stories to each other about who we are, why we are, where we come from, and what might be possible.
Older people say, 'Oh I loved you in 'Sense and Sensibility,'' and that's the only film they want to talk about. Equally, there are people who only want to talk about 'Galaxy Quest.' And there's a whole bunch of teenagers who only want to talk about 'Dogma.'