When registering for a workshop always double, no, triple check the dates to be sure you aren’t registering for a week instead of a weekend.
When making doctor/any appointments, write down date and time.
When planting peppers be sure to tag or mark in some fashion so that you don’t blithely saute those peppers with your eggplant and then spend the next hour coughing and gasping. Nose hairs singed.
Remember Dwight Shrute’s words: Whenever I’m about to do something, I think” would an idiot do that?” And if they would, I do not do that thing.