Ever wonder why some dogs act depressingly whenever an owner brings home another pet or baby? Jealousy in dogs does exist. Like man, dogs can feel too. They feel excited, delighted, sad, fearful and covetous. Some people do not believe that dogs get jealous. Nonetheless, there are instances when dogs feel abandoned and left out. They refuse to eat and to interrelate. You may call it jealousy or something else, but the behavior and actions of the dog must not be ignored and must be addressed promptly as not to make the situation worse. If you own a dog and you think that he or she might be feeling overprotective over something or someone, consider the following tips.