How long has the foster been in your home?
It can take a week to get to "ok, I am not going to get eaten here".
Making friends and settling in will happen gradually, and may take a long
time. (Months)
"sundevil67" wrote in message
>I recently took on a foster cat from a local rescue organization with
> the hopes that she would become a companion/playmate for my older,
> diabetic, obese cat. The main fear was that my existing cat would not
> accept her and become aggressive. Turns out it is the other way
> around. My cat has gotten soft in his old age, and is really sort of
> indifferent most of the time, curious at other times, but never
> aggressive unless the new cat pushes his buttons. I think if the new
> cat would stop hissing and calm down, they might be friends. Any
> advice? The aggression appears to be mostly for show, because they
> never really get into it. She's just acting tough, because my cat is
> about 3 times her size and could swat her with one paw. The new cat is
> extremely playful and active, and I just wish they would be pals.
>
> Thanks.
>
> sundevil67
>
>> Stay informed about: Tips for Reducing ""Fake"" Agression?