Hi,
Sorry for what you've been through and are going through. The most helpful info I've found so far have been from...
Dr Ramani (on youtube)
Melanie Tonia Evans (she has lots of stuff on FB but if you subscribe to see it then others can see this so its better to go via her website - if this person has narc tendencies then they will likely be checking your social media in detail, so protect yourself in that regard)
A book called Out of the Fog (fear obligation and guilt) by Dana Morningstar
Good luck.
BB