I’ve found two dogs to be the best number to have. They can socialize and play with each other but more than two makes going places as a family more difficult, and problems between them more likely. Boxers are my favorite breed but I also really like some others, so having two also allows me to have more than one breed at a time. I have a Boxer and a Lab mix now. A great advantage of having more than one dog is they can learn from each other, which makes training easier and it’s fun to see behavioral traits acquired in dogs I had many years ago passed along to my current pets.