This is like stating the obvious but I’m still going to state it. You are your dog’s companion. Just like human brains, dog brains release oxytocin, the hormone that makes them happy. You are a part of your dog’s pack. Some people get two dogs so that they feel more at ease. Taking your dog to dog parks also helps it to socialize with other dogs. You can share the responsibility of being in your dog’s pack by introducing more dogs in the circle.