I must admit to feeling some concern for your friend. You were able to extract yourself from this bullying woman, and can justly feel you handled the situation well, although it was annoying and unsettling. I’d be worried that she is behaving in this same bullying way to your friend who may not be strong enough to extract herself from the relationship - the woman’s antipathy towards you may be because she is controlling your friend in some way?
Our Welfare State. Is it broken?
Forgetting where you left your keys does not mean you are “losing it”