How do you know if your dog is happy? Is it the way they snuggle up close, they wag their tail, or how they follow you happily around the house when you come home? If you’re like me, you probably just know your dog is happy, but you can’t quite explain how you know. Dogs feel emotions similar to how us humans do, but they can’t express them like we do. They show their feelings through body posture, behavior, energy level and even health. And believe it or not, there are tell