I've thought about this for the last few days and frankly I feel a bit clueless. It seems obvious to my DH and apparently also to JonLaw but I am not getting WHY kindness would make DD a target for bullying. Can someone explain this to me? Have any of you had this situation?

I guess I'm naive but I can't figure out why the kid who is nice to everyone and has a sweet nature would cause kids to be mean to her. She used to continue to try to be friendly with kids with behavior problems even as other kids distanced themselves so that she tended to be in physical proximity when they lashed out. After being injured over and over she no longer does this - she keeps her distance from kids she thinks may physically hurt her. She hasn't made this connection in terms of kids lashing out verbally or emotionally but does this really equate with "making her vulnerable to bullying"?