Bully is a bad thing. I hate bully myself. when there a bully a best way is to let your friends stand up for herself and overcome it. I would you to support her and stand up for her and tell the bully to back off.
The reason why ethics differs when we're talking about people, companies, nations is that all of these have interests which may differ. What happens then with differing interests is that it also lead to different moral and value systems which again in turn lead to different ethics. Most usually, the actual source why ethics differ is either due to the interests or wishes of a particular social group mentioned here.
It was a TV show, and it was about romance. The TV show taught me about family values also though. English. Made me sad because it was a completed series.
Contrary to popular belief, parents should be calm and try to help out.