Michelle Amesbury, MA 5/26/2011 5:14:49 AM my 5 month old puppy isn't aggressive, but she does bite. More like she is playing, but it hurts like heck. I learned from a famous dog trainer to yelp and let her know she is hurting you. I did that, but only lasted a few weeks. I have now tried a more dominance thing were if she is biting me I growl at her and if possible toss her down and put my mouth at her neck. she is responding well. she now knows when I've had enough and also who is top dog. she is bad with my kids though. The won't discipline, they call me and cry. It needs to stop. it is the only behavior that is upsetting.