I wasn’t destined to be an astronaut. I had to turn myself into one.

"What's the next thing that's going to kill me?" is a mantra for pilots and astronauts.

I'm really looking forward to it, if you can imagine floating weightless, watching the world pour by through the big bay window of the space station playing a guitar; just a tremendous place to think about where we are in history.

Imbibe three or four times as much water as you think you need and skip at least one, if not two meals, when you are travelling. You should arrive at your destination feeling slightly hungry and your digestive system reset.

The cool things about space is when you put your pants on here, you can put them on two legs at a time.

When I stand on the edge of a cliff or right at the edge of a building or something, it's one of the few things that gives me kind of a deep, overwhelming, irrational fear where it affects my physiology.

So without that Canadian invention we were grounded. And so that was a really important and key part of the mission and Canadians should take real pride in it.