This is not a HIPAA violation and, even it it wasn't, you can't sue for a HIPAA violation.

"Difficult patient" is an opinion and not grounds for a lawsuit.

Hopefully you mean ex boyfriend. Call the cops...............

Of course not..............................................................................

Ridiculous. Sue for what? Get a refund............................

Of course she can. She is the boss...............................

You are responsible. That's why you were offered insurance.................

Who she dates is up to her parents. Ask them............

This is a Q&A forum. No lawyer is going to reach out to you. You can retain a lawyer to investigate the matter for you.

You need to repost your question. As written, it doesn't make sense.