There are no guarantees in life, that much is certain. If you're lucky, you'll find one or two things that you're in love with doing. Trying to make those loves your career is another challenge entirely. Pursuing your passion can be as frightening as it is enthralling. My advice is to use that fear to your advantage.
Check out this piece I did not too long ago for the National Post called 'Fear is a Motivator'
http://arts.nationalpost.com/2013/08/...