Well I stopped drinking. That was actually a big deal. I didn't go through any harrowing rock-bottom experience. I just made a decision to stop drinking.
I think that the mark of a great book is that it will meet you wherever you're at and you'll feel and experience something new and different each time you read it.
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Whatever it is you want to do take a job in that field. You will learn by experience and slow and steady you'll get it done!