Mine yells from the doorway and if that fails, begins to claw the back of the couch. She's former feral and is afraid of all rooms but the living room, so she can't come in and physically demand tribute the way I'm sure she would like to. She did scratch the crap out of me for giving her a flavor of wet food she had already told me she didn't prefer though- we were out of all other flavors and it was 3am when I realized and I wasn't going to the store in that moment. I should have gone to the store.