Is there a formula for happiness a dentist can actually use? There is, and I find it genuinely useful. Peer reviewed research landed on this: happiness equals your set point, plus your conditions, plus your voluntary activities. The set point you are born with and cannot move. Conditions are partly fixed, things like circumstances you were born into, and partly changeable, like where you live or your relationships. The third term is the one that should grab your attention. Voluntary activities are everything you choose to do or not do, and they are where you hold the most power. So if [...]