Being guilt tripped?

Andrea

I have social anxiety. It makes certain things like going out In public or hanging out with people or even talking on the phone very difficult and unpleasant for me. I have a friend who loves to FaceTime. She’s always asking me to face time and when I tell her no she always ask why and is upset and starts to guilt trip me. She says things that I need to work on that and it kinda offends me. She makes me feel bad about my anxiety by saying things like now she’s upset and that I hate her cause I won’t FaceTime. She’s always asking too. She doesn’t understand what I go through and why I can’t/won’t. How can I show her how hard it is for me without having her tell me how upset I’ve made her and it’s affecting her badly?