There is a lot one can learn from public policy debate and research on happiness. The quest for alternative development paradigm, away from a mere income-centric approach, has provided many take away for personal life. Income may be essential but not a sufficient condition to ensure happiness.
Life pursuits and purpose are key to happiness. Making our existence meaningful requires concerted and conscious thoughts. Facing the question – what can I do to help others, may contribute immensely in making our life happy. When you get up in the morning, and if your mind is cool about the fact that the day stands largely sorted out with tasks already lined up, you have achieved a lot in terms of happiness.