Are some people more like Dr Jekyll sober and Mr Hyde when drunk?

I ask this question as a woman I know has been acting weird when sober but worse when drunk?
I have seen it in men but not like her. She is in het sixties and seens to me thst when she was young abused.
But now she seens that she wants to get her share before she dies. Understand?
Updates
2 mo
How does drink affect you on your periods or menopause and does it make you as a Woman more violent or horny. Men does the drink increase or decrease your violence towards or partner. Or do illegal drugs like cocaine makes YOU change your personalities than drink. Or calm them down
Are some people more like Dr Jekyll sober and Mr Hyde when drunk?
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