I just had an incident yesterday with my dog. My kids had a bunch of friends over. My DS opened the bedroom door where the girls were all playing with my DDs, and my very large dog rushed in after hearing typical girl noises (yelling, squeeling, etc) and grabbed one of the neighbor girls arm!!!!! I went rushing in, and truly, the first thought that entered my mind, well, second after the welfare of the girl, was "dead dog". If she had been truly injured, I have no doubt that right now I would not have my dog. He would be put to sleep. After reviewing the incident, I truly feel that behind the door, the other girls were behaving roughly with my 2 DDs, as girls will do, and he was going to protect them. He did nothing more than grab the girls' arm. No marks, not even a red mark. Like he was warning her. She laughed it off (her words were "ew, he slobbered on me!"), but my dog now has a permanent home outside. I will not abide by an aggressive dog. Especially with kids. Period. What is scary is that any animal can perceive anything as a threat. Anything. I was there when the incident happened, and I never in my wildest dreams would have thought he would do that!!!! I always supervise the kids, mine and others, around both my dogs. The fact is, it took all of 5 seconds for him to move. To me, that was the end of his cushy inside home. He is now my full-time chicken protector, he is chained to their run. Maybe now the coons will stay away!