In my own opinion, I think Aero is smart because he knows when to bark if someone gets close to the car. Aero is smart because he is gentle with children and with sick children. Aero is smart because he knows not to bark at his owner and because when he sees his badge Aero knows it is a work day. Aero is smart because he knows when he wants to play. Aero is smart because he can sniff people with his nose to find anyone. Aero is smart because he knows when his owner says no barking! Aero is always pleasing his owner and thats how you know Aero is smart since he pleases his owner a lot. Aero is smart because when he goes to the vet he is calm.Then the vet says good dog. Aero is smart because he understands when his owner says sit, stay,no barking,stop,get him.That proves Aero is smart. Aero is smart because he never gives up when he falls on the thing. That is my opinoin about Aero the really smart dog.