The makings of a habit

Each habit can be deconstructed in these 4 steps:

1. The cue (smell of coffee) triggers a craving (I want coffee)
2. which motivates a response (Buy coffee)
3. which provides a reward ...

Any habit can be broken down into a feedback loop that involves four steps: 

1. Cue: is that thing (mainly visual) that reminds you about the thing you about to do.
2. Craving: Then you wanted (thinking) to do that thing.
3. Response:

There are 3 parts to a good or bad habit: Cue (what triggers the action), Routine (the action itself), Reward (the positive result because of the action).