Both Chloe and Dorothea naturally bonded because of trauma. They both knew how hard it was to live under the terrible suppression of monsters they had to call husband.
They also had nobody they could rely on for so long. The only difference they had was that Chloe had the guts to leave Vincent, whereas Dorothea had no courage and continued enduring the pain until Vaughn's death.
Unfortunately, even after Vaughn's death, Dorothea still couldn't find peace.
She was still filled with sadness and hatred. She was nothing but a bitter old woman to so many people out there, and her depression worsened as time went on.
