We have fostered many rescue dogs and have other visitors most of the time. We have 3 of our own. We introduce the new dog similar to the Milan method. There is always the pecking order time. Sometimes they sort it out in a few minutes. Sometimes it will take a week or two. Haven't had one instance where it didn't get sorted out. You are the key not the dogs.

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas