According to trainer Patricia McConnell, one of the biggest training mistakes you can make is to repeat commands, as in, “Sit. Sit! SIT!” rather than simply “Sit.” Cue him once, and if he fails to respond, there goes his opportunity for a treat. (The exception is when you ask him to turn down the stereo.)
Whether you're at the beach, having a picnic in the park, or simply sitting on your front porch with your…