For example: “If I wanted to eat a sweet I would eat an apple.”

A larger number of plans than the one for every temptation decreased its effectiveness.

Aukje A. C. Verhoeven, Marieke A. Adriaanse, Denise T. D. de Ridder, Emely de Vet, and Bob M. Fennis (2013). Less is more: The effect of multiple implementation intentions targeting unhealthy snacking habits. European Journal of Social Psychology DOI: 10.1002/ejsp.1963