You have to look at the people who have overcome these lifestyles. Those same people understand the harshness and hardships that only the victims and abusers who struggle with such vileness can. They can tell you how an addicts thinks, how they map their thoughts all out in their heads, connecting lies to truth and covering tracks.
I compiled all the advice I was given and put it together for you.
So, it attacks itself. Since the disease is non specific on what it will attack, it has a very high range of things it will attack.
"She's going to be okay, don't worry your gramma is alright." I believed it because anything else was unacceptable.