my dog tried to bite me , need help please
i have a German shepherd and it is about 2 years old and i was playing with it , i was just touching it's face and body and suddenly he tried to bite my hand and since then every time i try to touch it tries to attacks me and bites but it plays with my brother and with my whole family normally but with me don't .
any body helps me please and tell me what should i do ?!
it was vetted at 1/12/2012
and i didn't do anything wrong past week i just hits it with a way that doesn't harm it if it did something wrong !!