ATTACKS ON MY CHARACTER

Hey guys, I would really like everyone to way in on this. My friend called me a mean name today after being upset at me from last night and I don't deserve what she called me. I know she was upset but i would like to know why she is so bent on calling me that name because then I could change my behavior or at least exlain why she shouldn't be upset and calling me that. But I am just at aloss and very suprised here. It's very upsetting.