For things you can measure (your weight or your bank account, for example), you can establish specific amounts: My weight set point is X. My bank account set point is Y. You can establish set points for your intellectual life (I will read X books per month) or even your work (I will spend two hours a week researching or studying something that will make me better at my job). The more specific you are, the easier it will be to keep track of the set point and actually stick with it.