Still digesting this, but part of what makes some of the smartest people smart is the ability to find an interesting, well-defined, problem in a vague question.

Still digesting this, but part of what makes some of the smartest people smart is the ability to find an interesting, well-defined, problem in a vague question. Great mathematicians don't just solve such problems, they help formulate them. All of which is an aside -- I doubt it has bearing on finding happiness. It's more a critique of the way the paper wants to frame the problem.