There are 3 essential things all pet lovers need to know when raising an adult dog. They’re no longer puppies, so the sort of pet care you provide it will be different. You’ll need to treat it with more respect and understanding.

Credit: Humane Society
Pet lovers provide their dogs food and shelter in order to keep them alive. But there are three other things that they need in order to stay happy and healthy. First, they need regular exercise to keep their body in shape. Second, their minds need to be stimulated to keep them alert and occupied. And third, they need to socialize continuously in order for them to stay confident and happy.
Keep Your Adult Dog Entertained And Avoid Punishing Him For Sudden Mistakes
Dogs feel sadness when their family tends to ignore them or do not spend enough quality time with them. And when dogs get sad, they act up by displaying negative behaviors. This includes chewing, digging, barking incessantly, and they may even run away. These adult dogs are not acting bad on purpose. They are just reverting back to their natural canine behaviors in order to entertain themselves. And since they cannot communicate with words, they communicate with action.
Don't Just Love Your Dog When He's Good
Learn to love your pet unconditionally and when he misbehaves, try to seek out the reason for the behavioral problem instead of scolding or punishing the dog.  Remember that he is an adult now and is probably very well behaved most, if not all the time. This means that when he lashes out and does something wrong, it is typically related to an underlying cause which with a little proper pet care, you can treat with success. Something may be lacking or out of balance with your dog. Find the cause and then provide the solution.
Keep Your Adult Dog Socialized
Sometimes as our dogs get older and become more mature, we tend to not take them out as much as we did when they were puppies. This is quite understandable since adult dogs seem to enjoy just lounging around the house in their adult years and watching TV with you. However, to keep your dog’s mind stimulated and his social skills intact, do your best to take him out as often as possible to greet other people and other dogs. Not all pet lovers know this, but socialisation plays a very important role in pet care as it helps maintain your dog’s mental wellbeing.