You should have a fear of some things. That doesn't mean it incapacitates you from your ability to figure out a way to deal with it.
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About Chris Hadfield
Chris Hadfield was a contemporary Canadian astronaut. Chris Austin Hadfield is a Canadian retired astronaut, engineer, fighter pilot, musician, and writer. As the first Canadian to perform extravehicular activity in outer space, he has flown two Space Shuttle missions and also served as commander of the International Space Station (ISS). Read more on Wikipedia →