giving me a hard time

I hate the fact that when my yells or 'bitches' at me, she goes straight to thinking that I think she's a bitch at the end of the argument or lecture. For peace sakes, she has never thought once that I might just be taking everything into consideration and not degrading her at all. It freaking pisses me off when she makes assumptions like that, saying "oh I know you think I'm a bitch" blahblahblah, I never think about stuff like that when she lectures me. My mind just goes blank and I just keep on doing what I'm doing.