When considering how habit works one must understand a system known as the habit Loop. The habit Loop has three parts to it a cue, routine, and reward. The cue is anything that can trigger the habit, routine is the action or
behavior you take to execute habit and the reward is where the brain decides that the previous steps are worth remembering for the future. However, this alone is not enough for the habit loop to run one more element is needed. Craving is where the habit gets its strength and energy to keep the loop going on continuously. So, with this information one can use The Golden rule of habit change Where when you keep the same cue and reward and change the routine. Therefore, granting an opportunity of choosing one or altering their habits.