Hi I have the same problem with my Springer pup but he is 7 mths old!! He can sometimes get aggresive when he has something he is not supposed to have and if you try to take it he will growl and snap at you!! Also he can have a funny 5 mins when he runs around like a tazmanian devil and he will lunge at me, I have loads of bruises up my arm!! He dosn't seem to do it to anyone else though!!

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