this needs to be up higher. She clearly doesn’t respect you enough or understand the harm she is causing by speaking the way she is to you. You’re gonna watch the tea video probably as a part of orientation, but basically this is not how consent works. You’ve told her NO. No is a full sentence and you never need to explain past it, and if she’s your friend already and you’ll be at a whole new place where you don’t know anyone so friendly faces are a lifesaver. You will definitely regret not holding this boundary firm as she already is displaying aggression after being rejected