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Most of the time, it ends up being a rhetoric.
Po Bronson in his book tries to make the question accountable and appealing. I am mid-way reading it. I strongly recommend it.
There is no (f)art of living pravachan or self-madad techniques. It is definitely not a Chicken Soup for Soul where alls-well-that-ends-well. Mere dost, picture is always baaki in most of the stories in the book.
The stories vary from poignant to mundane to inspirational. It is not a step-by-step guide to find yourself. It is more of a snapshot of a phase in life of people who really asked the question. Many are still searching for an answer.
The answer is somewhere within. Sometimes, it takes a lifetime to search over there.
That, mere yaar, is the gist of life. To ask the question for which you can spend your entire life looking for an answer.