Dog owners usually mean well, but some common habits can confuse dogs, increase stress, and make behavior problems worse. In Part 1 of this two-part series, certified canine behavior consultant and aggression specialist Scott Sheaffer tackles five practices that drive him crazy: nonstop commands, outdated alpha thinking, shock and prong collars, blindly following a trainer's instructions, and taking serious behavior advice from people who aren't qualified to give it. Scott explains what dogs ...