If you plan to leave your dog during the day while you are at work, it may be better to have two dogs so that they can keep each other company.
Does gender matter when you get a second dog? The experts say yes, gender matters, and recommend getting a second dog of another sex.
Older dogs usually accept a new dog, but some struggle. Let the dogs work it out. Step in only if the situation could become violent.
Owning multiple dogs can lead to sibling rivalry, with causes including health issues, competition, and changes in routine.