My niece has a cat that embodies everything evil that you’ve ever heard about felines. She’s incredibly loving, but only when she feels like it, which is every other week and once a month during leap years. She’ll allow you pet her, but only where she throws herself into your hand, and she may change her mind mid-stroke. God help you if she changes her mind. I was sitting on the couch and I caught her behind the curtains in the window sill, thoughtfully planning my demise.