Well Shadow's always been pretty passive, the only times he has been in a fight is when he was running away from the aggression, this is the first time we've witnessed him being like this. He was fine with his old companion cat.
I think I wrote it weird, it would be normal for Jack to attack Shadow. But Jack is afraid of Shadow. Shadow is the one being aggressive, even though he's never been aggressive in his life with any other cat.
About 2 weeks ago, my father and I, who own a 5 year old Korat neutered Male moved into his girlfriends house, and she has a cat, american shorthair neutered male who is much smaller than our cat. Our cat, Shadow(The Korat) is generally pretty nice, and doesn't get into fights, but with the...