Yes I know the feeling. I realised a long time ago that life in not fair, but still live in hope that some bludging a**eholes, will actually get a big boot up their nether regions, and hear a voice telling them to "move their butts, NOW".
Makes NC with your XABF, sound a real good idea....imagine not having this c**p in your ears and doing your head in? Nothing to know? Nothing to worry about.