Write an if–then plan for your most predictable temptation

"If I feel the urge to [temptation], then I will [alternative action] instead."

Why it works

Temptations derail goals through impulse — an automatic approach toward a rewarding stimulus that bypasses deliberate reasoning. An if–then plan for the temptation interrupts the impulse by pre-attaching a competing response to the same trigger, so the automatic response fires toward the healthy alternative rather than toward the temptation.

How to do it

1. Name your most predictable temptation in concrete terms: the specific trigger and the specific pull.
2. Write: "If I feel the urge to [temptation], I will [specific alternative action] instead."
3. The alternative must be immediately available when the temptation trigger appears.
4. Practice the if–then mentally for three days before you encounter the temptation — this pre-loads the competing response.

Evidence

If–then plans for suppressing unwanted responses (temptations, automatic thoughts) show significant effects in laboratory studies and health behavior research. Gollwitzer’s dual process model explains the mechanism: implementation intentions can hijack automatic processing to redirect attention away from tempting stimuli. Adriaanse et al. (2009) found the effect is strongest when the "if" cue is tailored to the person’s own reason for the unhealthy behavior rather than a generic trigger. (rct)

In contexts of very high emotional arousal or substance craving, if–then plans may be insufficient without concurrent arousal regulation.

Sources

• Gollwitzer, Sheeran, Trötschel & Webb (2011), "Self-regulation of priming effects on behavior", Psychological Science
• Gollwitzer, P. M., Sheeran, P., Trötschel, R., & Webb, T. L. (2011). Self-regulation of priming effects on behavior. Psychological Science, 22(7), 901-907.
• Adriaanse, M. A., de Ridder, D. T. D., & de Wit, J. B. F. (2009). Finding the critical cue: Implementation intentions to change one’s diet work best when tailored to personally relevant reasons for unhealthy eating. Personality and Social Psychology Bulletin, 35(1), 60-71.

Common mistake

Writing the alternative as "I won’t [temptation]" — suppression plans consistently underperform substitution plans because "won’t" has no concrete behavioral content for the brain to execute.