In case anyone hasnt read it, there is a great article on BBC from the perspective of a gaslighter. In case anyone doesnt know what that means, its usually when 1 person in a relationship (usually the one doing something wrong) manipulates the other person into thinking they are crazy and all the warning signs are in their head...
Here is the link: www.bbc.co.uk/news/stories-42460315
The advice about not losing your friends is essential I think! Isolating victims is a classic emotional/physical abuse tactic...