Caroline recently wrote:
Tom, Buster is almost 7 years old. I did recently got a puppy which has increased Busters bad behavior ( peeing,barking etc.) the puppy is a double edge sword. One side he is a great ruff houser for Buster. Second, Buster is a little jealous which is probably why Busters problems have accelerated.
My response:
I think you are right. A dog’s behavior is easily disrupted by small changes, and this is a big change. They also need a very clear pecking order to be happy and need to know where they stand. Here is some additional information: Getting a second Dog