Hi !
I can understand why you feel that way! Sometimes a movie, book... . remembers me of something that happened in my childhood and I feel sad for a week and the tornado event is by far much worse than my events. I feel so sorry for that happening to you, it must have been terrible the moment you realized the implications of it. I think that when we were kids we didn't go through the process, it would have been too much -in my case the official family version was that my Mum had bad mood sometimes and that's all- and now we have to go through all of it.
I wanted to give you all my support because my boyfriend, that loves me and cares about me, doesn't get it. When I tell him I'm feeling bad he gives me support, but he tells me I should "change page" as soon as I can. I can't stand it when I hear that sentence. Once I tried to explain to him in a nice way that I preferred he wouldn't tell me that and that I thought it was better to go through the recovering process properly than quickly. He told that “of course you are right, but it is better you recover in some months that in a year right?”.
That brings all my validation down into pieces, and validation is the most important thing for me, as I don’t have many evidences of my childhood, I am only child, my Dad doesn’t want to remember anything and all the versions were changed and changed again.
So now I decided I won’t need external validation to let myself be sad –easier said than done

-. If some memory comes back and I need an evening (or more) for myself I’ll take it. I also decided not to get angry at my boyfriend, he doesn’t understand how big deal the BPD is and that the fact that being raised by BPD Mums has intrinsic consequences in our personality, self-steem…sometimes I feel there is no area in my life not full by BPD consequences. He has problems with his Dad, but not about his childhood, and thinks my problems should be solved the same way. I think you only truly understand the extend of it by living it.
So feel free to feel sad as much as you need! Just be sure you can keep being functional at work and basic stuff and also think about the positive achievements you’ve made, to keep perspective.This is my rule, what do you think?

Don’t let anybody –even if their intentions are good- make you feel your situation is “not that important”.