Many dogs lack the ability to control themselves when excited. They jump, they mouth, and they tend to act before they think. They don't mean any harm, but can knock people over or use enough pressure with their teeth that it hurts! In particular, puppies, adolescent dogs and certain breeds (Labrador Retrievers, Boxers, and large terriers, e.g. American Pit Bull Terriers) often show lower levels of impulse control. A combination of training, mental enrichment, and exercise d