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Hi and welcome to the forums!
Any change in his exercise routine? Is he neutered and if so at what age? How long Were solid pack structure rules in place before this behavior started?
It’s possible that it has to do with training , but I would think unlikely unless he is searching for ways to get your attention and get some treats.Any aggression toward family members? Your daughter in particular?
I would definitely start doing some muzzle training with him, it is so useful in training and life with these guys.best,
Teresa
