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 hope it goes well with the therapist - I know this is a big issue that will be adding a lot to your stress levels.
Take care of your wonderful self. You really don't need to get any sicker.
I think you are a really nice guy who finds it hard to say 'no' and they are taking advantage of it. How are you going to get better if you never have any peace?
god bless take care
love manda xxx