Incest Survivors Support Group
Incest refers to any sexual activity between closely related persons that is illegal or socially taboo. Consensual adult incest is very rare. Incest between adults and prepubescent or adolescent children is a form of child sexual abuse that has been shown to be one of the most extreme forms of childhood trauma. If you or a loved one is a survivor of incest, join the group...

I really hope it works for you..... firefighters hey?
I seem to have some arsonists and some sirens lol
It shows that your therapist is well trained into treating PTSD, which many are not.
There is an excellent book ,although a bit technical,It explains very well the working of the mind and brain, how traumatic memories function, the neurobiological aspect of it which is so important to understand to see how and why we react the way we do and it goes through all the newest therapies, including Internal family systems therapy.
Title of book: Treating complex traumatic stress disorders by Christine A; Cortois.On Amazon, you can look inside the book and already learn a lot.
One of the world specialists who has produced a lot in research is the Dutch Doctor Bessel Van Der Kolk.He is in the USA www.traumacenter.org
Doctor Salmona from Paris,a psychiatrist specialised in psychotherapy and traumatology has publIsHed very enligthening articles on traumatic memOry anD the role of the cortex OFthe amygdala.unfortunately it is in french and google translation is not good.
I will post later about it.