The Gallup Organisation asked people what "the best possible future" for them would look like. We found that when evaluating their lives, people often give disproportionate weight to income and health: Across the groups we surveyed, "good health" and "wealth" were two of the most common responses. Perhaps this is because these things are easy to measure and track over time - we can monitor our height, weight, blood pressure, and household income. Yet we do not have a standard way to measure the quality of our careers or the health of our relationships.