#2. Can I help him on making relations with the pack and other people around and also live with rules?
Dogs need to have rules and to be socialized since they are puppies. If you cannot help your dog by putting rules and to respect his pack he will never manage to be socialize which means that he will later have behavioral problems.
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#3. Am I able to train him?
Dogs have to be trained both on physical and psychological way. They need to exercise and to control their emotions also in order to avoid several problems later.