I feel badly that I was not able to post here earlier, though I I am telling myself that it is okay because I am working through my own things.
I read this in your journal, and I was angry. I pushed that anger aside in an attempt to do my best to write a positive reply to encourage you.
Honestly though, your boss can go (&@%&*)(#$*@#)(*$)(#@*$)(#@*$)(#@*$($#$%@&#_)%#$&@_$_@#*$@#_*$@#_)$(!!!
I'm so upset, I can't even find the emoji for it.
This behaviour shown by your boss of not understanding, not caring, and letting you, their best employee, get walked all over is the kind of weakness I have shown my entire life, and I hate it with a passion.
I am trying very hard not to be mean, but it is not easy. I will phrase this as "you deserve a much better boss".
I'm not saying this is best by any means, but if I were you, I would not be speaking to that person. They can write me e-mails, leave me notes, whatever. If they absolutely need to, they can talk at me. I will give them the absolute minimum indication that I hear their words, and that is it. I have done this, and it is not received well, especially by someone who thinks they're in a position of authority over me. When all is said and done, I am thoroughly relieved that person is all the way out of my life.
I am sorry you are
still being treated so badly. I hope you create a reality for yourself where people treat you as you deserve.

<3 Niko
Addendum: Don't worry, I'll be fine. This is a healthy anger out of concern and love for you. I'm going to go process it a bit, then have a nice sleep. I wish the same to you.

Addendum 2: I see there is more about Facebook and social media. I got rid of all of that in my life years ago for this exact reason, so I'm not up on how it all works. I also can't think clearly about it right now, but I do hope you get it sorted.
Addendum 3: Re-reading this now that I am calm, it is very polite considering how I was feeling. On one hand I'm relieved it isn't mean and aggressive, but on the other hand it does not properly express how wrong it is for them to treat you this way, and how toxic that work environment is.
The attitude you describe in your boss of conflict avoidance is what put me over the top. I have read some others post about how bad conflict avoidance is, but none of those words do it justice. It is absolutely poisonous.
I also realize that many of us avoid conflict, and there is good reason for that. I have done it all of my life as well. Despite how necessary it was in the past, it is still poisonous. I would be in a much better place had I done more to stand up for myself once I was able to survive alone. The problem is that I doubted myself. I didn't believe I could survive alone. I did anyway, but I didn't realize it, so it was the worst of both.
Replacing that doubt with confidence has turned the tables, and now I have the best of both. I'm surviving and much more, and I have more people who are closer to me than ever before.
It's not easy, but nothing with trauma is. The way I see it is I can struggle and suffer, or I can struggle and improve. I choose the latter.