Mindset and beliefs

    Should into must: sort the obligations you chose from the ones you inherited

    Ralph Varcoe
    4 min read

    Should Into Must asks you to list everything you tell yourself you "should" do, and then decide which ones you'll commit to as "musts" and which ones you're ready to let go. The exercise comes from the personal development tradition popularised by Tony Robbins. There's no clinical trial behind it, though research on motivation helps explain why so many people find it useful, and it can lift a surprising amount of weight off your shoulders.

    Why do the shoulds keep piling up?

    I should exercise more. I should call my mum more often. I should learn Spanish, sort out the garage, read more books and drink less coffee. For most of us the list goes on, and it seems to grow a little every time we open a newspaper or scroll through social media.

    Every one of those shoulds sits there unfinished, leaving a faint trace of guilt behind it. And because there are so many of them, none of them really gets done, which only adds to the guilt.

    When you look closely, though, the shoulds aren't all the same. Some are things you genuinely want, while others were handed to you by a parent, a boss or a glossy magazine, and you've been carrying them for years without ever really agreeing to them.

    Where does "should into must" come from?

    It's only fair to be honest about this one. The exercise comes from the seminar and personal development tradition, and it was popularised by Tony Robbins in his work on raising your personal standards. There isn't a peer-reviewed study of the exercise itself that we can point you to.

    It's included in PiViva because practitioners have found it genuinely helpful, and there's related research that helps explain why. Self-determination theory, developed by Edward Deci and Richard Ryan, distinguishes between motivation that feels like your own choice and motivation that comes from pressure or guilt. In 1999, Kennon Sheldon and Andrew Elliot found that goals people pursue for reasons that feel genuinely their own attract more sustained effort and are more likely to be reached.

    A "should" often carries the feeling of pressure, while a "must" you've chosen for yourself feels much more like a decision. That shift, small as it sounds, can make a real difference to whether something actually happens.

    How does Should Into Must work in PiViva?

    You start by listing every should you can think of, without judging any of them. Then you take each one in turn and ask two questions: what would have to be true for this to become a must, and do you actually want it to?

    That separates your list into two piles. In one are the shoulds that are genuinely yours, which you may have been treating too lightly. In the other are the ones you never signed up for, which you can now thank and put down.

    Both outcomes are worth having. Turning a should into a must changes how you plan your week around it, and dropping one you never agreed to can feel like taking a heavy bag off your shoulder at the end of a long day.

    The one trap to watch for is turning everything into a must, which is very tempting once you've started and can feel rather virtuous at the time. Fifteen musts are really just fifteen shoulds in a new outfit, so it's wise to keep it to three at most and to give each one a place in your actions, with a date attached.

    What if you feel guilty about dropping a should?

    That's very common, especially when the should came from someone you love. It can help to ask yourself whose voice the should is spoken in. If it belongs to somebody else, you're allowed to thank it for its good intentions and let it go.

    If it's tied to something you genuinely care about, check it against your values in Values Clarification, which can make it much clearer whether it belongs on your list. For the musts you decide to keep, Accountability helps you commit with dates, and Implementation Intentions can make sure they actually happen.

    Many people find that once the list is shorter and genuinely theirs, they get far more done than they ever managed when it was long and borrowed.

    Questions people ask

    What is the difference between should and must?

    A "should" is something you feel you ought to do, while a "must" is something you've decided you will do. The exercise helps you choose which is which.

    Who came up with should into must?

    It was popularised by Tony Robbins in his work on personal standards. There's no peer-reviewed study of the exercise itself.

    Is there science behind it?

    Indirectly, yes. Self-determination theory and research on self-concordant goals suggest that goals you genuinely choose attract more effort than goals driven by guilt or pressure.

    How many musts should I have?

    Three at most is a good rule. Any more than that and they tend to turn back into shoulds.

    Sources