I can run up a wall and do a back flip - that's the most impressive thing that I can do.
For the Olympics, I'm mostly training in the gym, so I'm running laps on the standard speed wall.
I wrote a great deal of a novel, 'Winter's Tale,' on the roof of a Brooklyn Heights tenement on Henry Street. I was a technical climber, and now and then I would put down my manuscript and get up to walk along parapets and climb walls and chimneys.
Spiderman can climb walls and he's got a cool outfit.
If someone puts you in front of a 30m high wall, tells you to get over it, and then comes back two years later and you're still there, you've made no progress. You should find another wall.
The Parkour is with me, and it will continue to be with me. It is something that I love, and it's intrinsic to me.
I do have a Viking axe by the bed if I need to whack someone... My wife bought me a Viking axe - the axe side curls down so you can grab the adversary around the neck and you can use it to climb walls, as a grappling hook.
Going up the walls doing somersaults, that trick took a couple of days.
There's only a handful of chicks in the world who can climb big walls on my level.
My wife always says that I function better up on a big wall than I do anywhere else in life.