Could be and then maybe not.
He could be tired but I would get him out and about with dogs that are safe as much as you can and even into a pupppy class to help with social skills.
Having him play with his own age is best when learning if he is at all scared but he needs to see all ages and stages and size and kind of dogs.
JL
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"The truth about an animal is far more beautiful than all the myths woven about it." Konrad Loranz |