When an adult moves from one house to another there is always an adjustment period. You will have to work with the new dog and train them so they understand your families rules and ways.
I have a smaller 5yr old black and white (show championed) male available to a Pet home willing to keep him intact as I would like to use him again in the future. He is very social, good with other dogs and people young and old. House trained and great both on and off leash. $1500 Email me if you are interested. You can just fill out the puppy questionnaire and indicate your interest in the adult male.