I think generally I'm kind of interested in subjective experience, what goes on inside someone's head, that being all they really know of the world.
Nobody paid any attention career-wise to me in America until 'Bronson.' It gave me a calling card and passage into America, where I've always wanted to work.
Because all of biology is connected, one can often make a breakthrough with an organism that exaggerates a particular phenomenon, and later explore the generality.