Maybe you ran a marathon and afterward felt good about reaching the goal but said once was enough. Perhaps you pursued a career path that was fulfilling and productive, but you’ve now changed directions. You’re grateful for the experience but wouldn’t want to repeat it. What in your life would you file under “once was enough”?
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What’s the goal?
Resolving my resolutions
You can’t boil the ocean
Surviving cancer. Seems like a "no duh" response, I know.