Dogs communicate primarily through body language, and understanding these signals is crucial for building a strong relationship with your pet. A relaxed dog will have soft eyes, a gently wagging tail, and loose body posture. When your dog is happy, you'll see their tail wagging in wide, sweeping motions, often accompanied by a play bow.

Fear or anxiety manifests differently - watch for pinned-back ears, a tucked tail, and averted gaze. A stressed dog might also yawn excessively, lick their lips, or show the whites of their eyes. Recognizing these signs early allows you to remove your dog from stressful situations.

Aggressive behavior has distinct markers: stiff body posture, direct staring, bared teeth, and a raised tail. The dog might also emit a low growl. Never punish growling - it's your dog's way of communicating discomfort before escalating to biting.

Understanding context is key. A wagging tail doesn't always mean happiness - the speed, height, and direction of the wag all convey different emotions. By paying attention to your dog's entire body, you'll become fluent in their language and strengthen your bond.