Have you ever felt scared for yourself and of yourself together?

Yesterday something happened that left me feeling this way.
I was at my sister's house and her mother in law was crying because of her health issues, she was in pain. Everyone was consoling her but I felt nothing, not even sympathy towards her.
That scared me. I mean I knew that my emotions were becoming numb after my parents death but I felt nothing yesterday.
I felt something was wrong with me.
Have you ever felt that?
Have you ever felt scared for yourself and of yourself together?
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