vonmister

Hi my 3 year staffy has suddenly taking to been aggressive with my room mate , they have been together since he was 6 weeks old . He has bitten him at least 3 times stitches he has not bitten anyone else or even growled at other dogs. As for him been my shadow everywhere I go he needs to be with me he lays outside shower toilet door lays either on the couch or floor . When I move he is right there in in kitchen lays where he can see me