Over the centuries, the dynamics of dog training have continuously transformed, reflecting the evolving perspectives on animal intelligence and emotions. As we have grown to better understand the cognitive and emotional capacities of dogs, the techniques we use in their training have also shifted. The earliest methods stemmed from a belief in dominance and submission, using harsh, corrective tactics to establish human control. However, as our knowledge expanded, so too did our training methods, which now range from those employing aversive stimuli to discourage bad behaviors to those using positive reinforcement to encourage good ones. Mixed methods attempt to blend these approaches, but they can lead to inconsistency and confusion. Relationship-based training, the most contemporary approach, integrates a deep understanding of canine psychology, focusing on the bond between dog and owner to foster a cooperative and mutually respectful learning environment. The philosophy behind this method is grounded in the ethical treatment of animals and the psychological impact of the training process. This article aims to juxtapose these varied methods and demonstrate why relationship-based training is the most humane and psychologically sound approach to nurturing a well-behaved and emotionally stable canine.