It can give them stomach aches and diarrhea. Also, if you feed your dog from the dinner table, he or she will form bad habits and bother everyone during the meal. Your dog should not beg for people food. If you do not give your dog people food, hopefully, it will not beg for it. Don't let dogs eat chocolate because when your dog eats chocolate it will probably get sick and could even vomit.
Most dogs are allergic to chocolate.
A large amount of chocolate can cause death. Too many treats can spoil your dogs appetite. But there are many good treats you can buy made especially for dogs. You can use the treats in training and whenever you want them to have a little something extra. But do not overdo treats.