natural - functioning or happening in a standard way; lacking abnormalities or deficiencies; "it's the natural issue to happen"; "natural immunity"; "a grandparent's natural affection for the grandchild" Favourable reinforcement strategies, which include trea

Pheromones are natural chemical compounds that dogs (and other animals/people) launch. They are really used to support animals communicate with each other and can result in various chemical reactions in the Mind. I've experimented with leaving the lights on and tunes on so that he doesn&rsquo