The Simple Pleasure. Because, to paraphrase Yeats, "Happiness is neither virtue nor pleasure nor this thing nor that but simply a vacuum cleaner on our heads. We are happy when we have a vacuum cleaner on our heads.
If a cat ever happens at our house, it's learning how to use a toilet. Tired of scooping the litter box? Hate that litter box smell? Potty train your cat! Here's a how-to for toilet training for kitties.
I have trained kittens to use a harness. If you star at a very young age and they have never been outdoors without a harness it is not a problem. Kitten Socialization: Training a Kitten to Wear a Harness. I'll try her way next time :)