Lola does. She hates it when I'm giving any sort of attention to Rosie (Golden Retriever). She'll glare at me, her expression saying "You are a traitor and I will kill you in your sleep." That look is very unnerving.
So, do your cats get jealous if you are giving attention to a person or pet?
So, do your cats get jealous if you are giving attention to a person or pet?