well, i mean, you know, one night compared to 19 years is no comparison, but i really needed to get some context about what it is to have your freedom taken away. robin island, way before it was a prison, was an island with history. it was a place where they left people with lep a si. i just needed to understand what it was like to be there. just give me some context. give me a little perspective. a lot of the film is in prison. we didn t want to do prison acting. we didn t want to portray this as some sort of film. i needed to have a real sort of understanding of it. when people play icons and people have been glorified for good reason, kennedy, i can think of others, often the leadership part of it and the impact on the world is something you can find as an actor.