Friends, Please Help Me Find Out. Is My Friend Mentally Ill or Suffering from an Evil Spirit?

[Title]: Friends, please help me find out. Is my friend mentally ill or is he possessed by an evil spirit? Main Building The premise of this matter is that my friend gave me one of her silk scarves out of guilt because she felt that she had ignored my feelings for a long time. It was a big class at the time, and the teacher gave her a ten-minute break. She was chatting in the corridor with a few friends she knew from college. I read in my seat in the classroom. She suddenly went crazy and made trouble among her friends. Her voice was sharp and strange. Where is my silk scarf? Where is my money scarf? Then she ran into the classroom, stared at me fiercely, and said there was no way she would give that thing to me. Intention: Keep thinking and look at things from multiple aspects.