Learning a game and doing something wrong is sometimes funnier than being good at it.

What's cool about YouTube, unlike TV, is that there isn't that competition element. I mean, you could make it into that, as there's obviously numbers involved, but people are free to watch whoever they want.

So I do make a real effort that all of my videos are things that, if I had kids, I wouldn't mind them watching.

Everyone experiences bullying at some point - there are always older kids who think it's cool to pick on the younger kids.

Here in Indiana and in many states throughout the union, we rely on coal to power our homes and provide good-paying middle class jobs - like the one my family relied on when I was a kid. The coal mine helped put food on our table and helped me pursue an education and realize the American Dream.

There's something that happens around 27 and 28, when people start coupling off more aggressively or changing their lives according to what their economic prospects are, and not keeping themselves on par with the group - you realise suddenly that they're not your family. And I think that's very painful.

Parents who don't like Success should find a school they do like. For someone to enroll their child at Success and insist we change our model is like a person walking into a pizzeria and demanding sushi. If you want sushi, go to a sushi restaurant!

Denmark is a country built on a commercial fleet. That's basically what we have been doing. We're just a small country of islands, and every family has a sailor. So, in many ways, my father was a sailor before I was born.