Thank you for all the suggestions & ideas. We will have a family discussion about all these suggestions and decide the best course of action to take so that everyone benefits.
We have a five year old female cat who is an indoor & outdoor cat. In winter she spends about 70% of her time indoors and in summer about 25% of her time indoors. She basically comes and goes as she pleases through the door with family members. She has all her meals & snacks indoors regardless...