I know this is not a cat forum, and I don't know if any of you guys can help me out on this. But there is many an FOT cat owner out there, and maybe this has happened to your cats,
My cat, Stuart, who is about 2 1/2 years old, has started acting unusually aggressive. He was always the alpha-kitty, but lately, he has been dominating his brother much more than he used to--chasing him around, biting him, kicking him off the bed (this stuff all happened before, but not as frequently). He also howls to go outside a lot and makes a break for it every time I open the door. He's indoor, and has never really expressed any desire to get any closer to the outdoors than sitting in the window. I'm not comfortable letting him out either, because we have lots of coy dogs surrounding our house.
I have no idea what's up. Have anyone else's cat's had a sudden spell of aggression at around 2 years? I'm calling the vet tomorrow just to be safe, but I was curious if this was a common thing.