Originally Posted by onyx'girl
If he decides that rushing out the door is necessary, he needs to know you let him do it, it wasn't his 'choice' Otherwise don't allow him the freedom to make such decisions. Set him up to succeed.
I understand your point but I bet there are very few people that can say they never had a dog run out on them, whether it's a Golden, Lab, or GSD.
I think it's more of an urgent point that the dog showed aggression away from his home rather than how he accidentally slipped out the door.