Cue-Routine-Reward
Understand and leverage the mechanics of habit formation.
The cue starts everything
Without a reliable cue the rest of the habit loop never activates.
Five types of cues
Time location emotional state other people and preceding action are the main cue types.
Existing habits are the best cues
Attaching a new behavior to an established habit leverages existing automation.
Cue specificity matters
Vague cues produce inconsistent activation — make cues as specific as possible.
The routine is the behavior itself
The routine should be clearly defined so there is no ambiguity about what to do.
Routine simplification
Simpler routines automate faster than complex ones.
Routine variability within bounds
Some flexibility in the routine prevents rigidity without breaking the habit.
The reward must satisfy a craving
The reward works because it satisfies an underlying craving — identify the craving.
Intrinsic versus extrinsic rewards
Internal satisfaction is more sustainable than external rewards for long-term habits.
Reward timing is critical
Rewards that come immediately after the routine are most effective for habit formation.
Craving identification
Before designing a habit ask what craving you are trying to satisfy.
The habit loop diagnosis
For any existing habit identify the cue routine and reward to understand it.
Modifying one element at a time
Change the cue the routine or the reward — not all three simultaneously.
Habit substitution
Replace an unwanted routine with a desired one while keeping the same cue and reward.
The golden rule of habit change
You can change the routine if you keep the same cue and deliver the same reward.
Craving engineering
You can create cravings for positive behaviors by consistently pairing them with rewards.
Variable rewards and habit strength
Unpredictable rewards create stronger habits than predictable ones.
The habit scorecard
List every daily habit and mark it as positive negative or neutral.
Habit stacking formula
After current habit I will new habit — this is the fundamental stacking formula.
Mastering the cue-routine-reward loop gives you control over your automatic behavior
Understanding this loop is the key to deliberate behavioral design.