Terri's genuine and sincere smile must have bothered you.
Let it not haunt you too for the rest of your life.
God bless you for being such a blessing to others.
She was genuinely braindead. She was sincerely unable to control any voluntary functions. That itself is haunting, that our bodies can live on as puppets controlled by the involuntary functions our brainstem performs because grieving and misguided family members would forcefeed the shells of our bodies.