It's okay to wonder if you're concerned about her. She may have DID, she may have severe BPD (Borderline Personality Disorder), or another dissociative disorder.
The fact is, no matter what she has, how are you going to support her? If you're unsure, ask her gently how you can help. If she's open to it, ask her about these symptoms you experience from her. No matter what, let her know you're there for her. It must be scary for her to experience these symptoms, especially if it's DID.
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