A practical, low-conflict approach to changing someone's behavior — including your own — is deliberately redesigning the environmental cues or the reward attached to an existing routine, rather than trying to fight the craving directly through willpower alone. This works with the habit loop's actual structure instead of against it: since a habit is triggered by a specific cue and sustained by a specific reward, changing either one can redirect the whole loop toward a different, healthier routine without requiring a constant, effortful battle against the underlying craving.
This approach is especially valuable in situations where direct confrontation or willpower-based appeals repeatedly fail — a redesigned cue or a substituted reward can produce durable change specifically because it doesn't ask the person to fight their own automatic wiring, it works with it.