1) yesterday I made sure I had all the ingredients for hamburger soup to put in the crockpot for tonight. And then I lost the recipe.
2) Thursday I put porkchops in the microwave to defrost. I punched in all the right things, what they were and how thick and how much they all weighed - I even hit START - and they didn't defrost. Did I think "Well there must be something wrong with the microwave."? No, with my usual clear-thinking cause-and-effect approach I thought "Huh. Guess the defrost option only works for hamburger."
3) Just now, unloading the dishwasher, I found a ...teabag. My carpets may need vacuuming, but I have the cleanest teabags in town! And also, I know where the expression "this tea tastes like dishwater comes from."