I don't even know where to start. I am starting to think a guest in my home over Christmas pychologically abused my beloved calico. She won't come near me and she's normally glued to me. She won't cuddle with me. She isn't playing and she normally races around the house. She doesn't respond to my voice. I did check her out physically and she seems fine, though I'm going to make an appointment with the vet. I'm heartsick and cannot think of any other reason why her behavior would change so dramatically.