1- Watching your cat play in a paper bag while the $60 worth of hypoallergenic, organic cat-nip kitty toys you just bought sits untouched in the corner.
2- Changing the words of hit songs to be about your cat and then serenading them is so common to you that you've started doing it even when your cat isn't around.
3- It took three hours of tears, scratches, and broken trust to get your cat into the cat carrier to go to the vet, but every morning the next week you wake up to find him sleeping in it.
4- Sitting on the floor to read because your cat got to the comfy chair first.