The fortune teller said that my brother can't call me sister _ What does the fortune teller mean when he says that my brother can't call me sister?

Why doesn't my brother call me sister?

What he said made him very angry.

It should be something you said or did that made him angry. Under normal circumstances, it should be called sister. It's impolite to call people by their first names. You can talk to him. If there is any misunderstanding, explain it quickly. Don't let your brother have a knot in his heart. In that case, the relationship between brother and sister will be even worse.