'The Killing' has a really great combination of qualities: Even though it's very sad and deals with mourning and grief, it's still exciting. It's about real people and it doesn't shy from the painful points of life.
We don't know why we are here and the context of our role in the universe, and the thought of an infinite universe. It's something the human mind can't really grasp. It's statistically impossible that there's not life on other planets.
The way I live my life or conduct myself when I have a problem is very different from many of the characters I play.