These dogs seem to have discovered the secret of eternal youth and a positive attitude towards life. They remain active, young, and curious puppies before.
Boxers, of course, are very smart and grasp the learned knowledge on the fly, however, they not like German shepherds.
They are a little stubborn, but you shouldn’t fall for their “tricks”. At the same time, the stubbornness of this dog is not at all aggressive, but rather playful;