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...

Your post reminded me of my own work. The work is hard. The tears run deep, as does the terror, loneliness and sadness.
I'm glad you have the courage to do it and that you felt validated, though I'd like to ask what felt validating for you; was it you trying to "give your therapist a picture of what it was like," or the response of your therapist, or ?
You are simply awesome.
xx
SuzA
Hugs