Anticipating problems and figuring out how to solve them is actually the opposite of worrying: it's productive.

If you haven't learned to ride a bike by the time your peer group has, then suddenly it's an embarrassment and you'll avoid opportunities where you're expected to ride a bike. And then it starts shaping your behaviour. Reading is much subtler, but much more destructive if you have not - for whatever reason - learned to read by the time you should.

No one ever accomplished anything great sitting down.

The rough and ready improvisational quality to life on board the International Space Station is reminiscent of a long trip in a sailboat: privacy and fresh produce are in short supply, hygiene is basic, and a fair amount of the crew's time is spent just on maintaining and repairing the craft.

Don`t let life randomly kick you into the adult you don`t want to become

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.

Fatherhood is the unending imperfect task of turning yourself into your dad while secretly maintaining the unbridled elation of your boyhood