Do you have a carbon monoxide detector? If you don’t have one, get one. I have seen this kind of behavior in cats suffering from CO poisoning. Long story short, my mother’s cat saved her life once because his behavior got her out of the house.
I guess I had a better first grade teacher. When she found out that I could read first grade books she gave me second grade books, then third grade. She pushed me to the highest level that I could handle.
Mere anarchy was loosed upon the field