From a very early age, my wife and I told our son that there are times and places for everything. I told him, look, when you're in class, you have to be quiet and listen to your teacher, but when you go out to the playground, you can scream and be silly.

It's a real challenge to complete a story arc and end up with a cool punchline in 120 characters.

Antarctica is otherworldly, like nothing I've ever seen before. Stark, cold, beautiful desolation.

Maybe people would be surprised to know that I listen to old Neil Diamond albums from time to time. The man rocks. I defy anyone to prove me wrong.

And anyone that calls me a sell-out is just jealous.

I think that happiness is a great thing to strive for, but very difficult to maintain - people are always striving for something different, and something better.

When people are amped up, they listen to more upbeat, loud songs. A Frank Sinatra album sets a certain mood, just as a Clash record sets another.