Filmmaking is a completely imperfect art form that takes years and, over those years, the movie tells you what it is. Mistakes happen, accidents happen and true great films are the results of those mistakes and the decisions that those directors make during those moments.

And the biggest improvement I see between 'Up in the Air' and 'Juno' and 'Thank You for Smoking' is that 'Up in the Air' deals with the complicated human stuff in a way that my other films have not. It's a more articulated film, and because of that, I'm most proud of it.

Look, any guy who tells you that he didn't have some fears is lying. Of course, it's scary becoming a dad for a variety of reasons. That's not to say it isn't thrilling. It was. It was very exciting and in some ways was the greatest thing that's happened in my life. But it's also completely terrifying and you're saying goodbye to a portion of your life and that's just an emotional experience.

'Looper' is about what your 55-year-old self would tell your 25-year-old self over a cup of coffee. It's about finding love in the third act of your life. It's about overcoming trauma and the idea of true sacrifice.

People want to know if I have a moral standpoint that they should be picking up on, and the truth is, I don't. I don't want people to think that I'm trying to tell them to feel a certain way. I think that's cheap filmmaking.

I have one of the original 'Ghostbusters' guns in my house.

I don't want to make films that give you the answer. If there is a message to my films - and I hope there isn't - it's to be open-minded.