The question she asks in the darkness is “Why”.
What do you think Jess was talking about here? I think Jess was talking about why did mark run away and leave me here. Why did you run away when you had cancer.
What edvicence could you use from the story that backs up your answer?
When Jess takes a note from behind a loss brick and reads the note. Jess remembers when they were young and beau was just a puppy. Jess new mark had cancer cause Jess was there when marks mum told mark he had cancer..