Perhaps a good place to start would be the literature on life satisfaction and happiness. Statistically speaking, what changes in life that can be made voluntarily lead to the greatest increase in life satisfaction at the least cost in effort/money/trouble?
Perhaps a good place to start would be the literature on life satisfaction and happiness. Statistically speaking, what changes in life that can be made voluntarily lead to the greatest increase in life satisfaction at the least cost in effort/money/trouble?