If you’re dealing with barking, lunging, growling, fear, overexcitement, or “selective hearing,” this category is for you. Behaviour problems & reactivity covers the most common challenges dog owners face-especially on walks, at the front door, or when left alone. We explain why behaviours happen, what often makes them worse, and how to build a practical improvement plan with management, training, and confidence-building exercises. You’ll also find guidance on when to involve a vet or qualified behaviour professional, particularly for separation anxiety, aggression risk, or sudden behaviour changes.