Exciting goals are intrinsically motivating.
Extrinsically motivated or otherwise not intrinsically motivated goals will be easy to discard at the slightest inconvenience.rM2 This goal aspect directly targets Motivation in the Fogg behavior model. As such, goals need to relate to fundamental or core motivators.
Brett & Kate McKay, “Podcast #762: Prepare Now to Have Your Best Year Ever,” The Art of Manliness (blog), December 8, 2021, https://www.artofmanliness.com/character/advice/your-best-year-ever/. (See notes.)