Tom and Zay faced a heartbreaking decision to euthanize their dog, Mr Pickles, due to his severe aggression, which began when he was just five months old and escalated over three years despite attempts to manage it through behaviorists and medication. The final incident, where Mr Pickles attacked Zay violently, highlighted the risks and emotional toll of owning a pet with such behavior issues, a growing concern among dog owners post-pandemic. Experts note that aggression is increasingly a leading cause of euthanasia in young dogs, reflecting a troubling trend in pet ownership.