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Do you spend more time in your head or in the world?

It's not a particularly close competition there, Rachel. I spend more time in your head or in the world. It's not a particularly close competition there, Rachel.

I spend more time in my head by a very wide margin. What's the like in there?

Pretty intense, to be honest with you, a little overwhelming sometimes. I'm Rachel Martin,

and this is Wildcard, the game where cards control the conversation.

Each week, my guest answers questions about their life.

Questions pulled from a deck of cards.

They're allowed to skip one question and to flip one question back on me.

My guest this week is author and YouTube star John Green.

The idea that I can write a story and that story is going to live in someone else's mind,

and they're going to bring, if they're generous, they're going to bring their deepest selves to that story.

That is genuine magic to me.

Different people have different reference points for John Green.

He is most famous as the Y.A. author who wrote the massively popular book The Fault

in Our Stars.

But then there are the millions of people who know and love him from his YouTube channels,

especially vlog brothers and crash course, which he does with his brother, Hank.

His latest project is another book,

but it's way different from his coming of age stories. It's titled, Everything is Tuberculosis,

...