Health, Care and Diagnosing Common Illnesses.
A dog or puppy can't tell you has an upset stomach or even is depressed but there are ways to read your dogs behavior patterns to overcome and diagnose problems. For example if you cannot stop dog barking, he may just need exercise. This is a great time to do your dog obedience or any dog training as it will also stimulate his mind and help with bonding.
He may also be acting abnormally by doing things he knows he shouldn't, this does not mean he needs dog discipline but could simply be his way of trying to tell you something is wrong. These are just a few common ways your dog or puppy is communicating with you the best way he knows. Of course, professional veterinary advice is only a phone call away.