Please look up some stuff on YouTube.
Darren F Magee
Dr. Grande
Lise leblanc
Borderline personality and covert narcissistic traits.
Regardless, this is someone who effects your peace and state of mind, makes you question yourself, unsettles you... Just... Let them go.
This isn't a spouse or a parent. This is someone voluntarily in your circle.
Just let them go.
Peace
RDMercer