These are some of the physical signs of a happy dog: A soft, partially open mouth. Ears that are relaxed, not pulled back or taut with alertness. Overall relaxed posture, with a raised head, relaxed tail, and confident stance (click here for more on dogbody language) Dogs feel emotions similar to ours, but they can’t express them like we do. They show their feelings through body language, behavior, and even health. And believe it or not, there are specific signs that indicate