[cbddav]

Our 4 year old Akita has had a few random attacks with little or no warning. The only common denominator has been the person being on his eye level. Two of my son's teenage friends have attempted to hug him and he "freaks out". These boys are not strangers to him and have been in our house on several occasions and played with him. When I grab his collar to pull him off, he tries to turn on me, then plants himself, until he realizes he has to go out. Another time, the little girl who sold me girl scout cookies was just petting on him and he was loving the attention when she came to sell the cookies. When she came to deliver, he tried to go after her. Luckily, I grabbed his collar and got him outside. He is normally very loving, and enjoys anyone who comes to the house. Now we do not feel like we can trust him. It is like he just flips out for a few seconds and then reverts back to himself, not realizing he has done anything wrong. Any suggestions?