These are all incredibly difficult deeply traumatizing experiences. That you survived and are relatively healthy is not a small miracle but an outrageous miracle. That you are willing to start processing is remarkable.
What I've found over time with emdr is it isn't really about thinking something different about the memoriee, they just kind of get resolved and put in the past instead of the present. You can still remember them but you don't relive them quite as often. It'd be like me reading these stories...it's terrible and heartbreaking and I feel stuff in the pit of my stomach reading about what happened to you, but I personally am not reliving it. I am witnessing it as a removed third person viewpoint. That's what I've found emdr can do for my own memories. It isn't perfect. I still get flashback type experiences but it isn't all the time anymore.