An exercise I use with clients, for a power boost to achieve their goals, is the Decision Diary. After we identify a specific goal where greater willpower will help them to succeed, I ask them to keep track of each choice they make related to that goal, for one day or more.
One way is to keep a pen and paper handy and jot down (super briefly) the two choices, and place a tick next to the option that they chose – that’s an ideal approach. Another way is simply to mentally notice each decision.
The self-awareness you gain is valuable, but there is more. As one client reported, “I did the diary today but by some miracle I’m happy with all my decisions! I was quite productive today!” By being more aware of you decisions, you are more likely to make decisions that you’re happy with.
Kelly McGonigal describes the practice in her excellent book, The Willpower Instinct: How Self-Control Works, Why It Matters, and What You Can Do to Get More of It:
To have more self-control, you first need to develop more self-awareness. A good first step is to notice when you are making choices related to your willpower challenge. Some will be more obvious, such as, “Do I go to the gym after work?” The impact of other decisions might not be clear until later in the day, when you see their full consequences. For example, did you choose to pack your gym bag so you wouldn’t have to go home first? (Smart! You’ll be less likely to make excuses.) Did you get caught up in a phone call until you were too hungry to go straight to the gym? (Oops! You’ll be less likely to exercise if you have to stop for dinner first.) For at least