Hannibal saw that scar and smiled, an odd reaction from anyone else, perhaps, but for Hannibal it was in the memory of that scar. He would have finished the job of cutting Will's head open had he not been stopped, and he was so happy he was.
His smile continued as Will touched his wrist to confirm the presence of the scars Hannibal bore from when Will had sent an orderly to kill him. That the scar was still there did not dispel the belief that they were, the both of them, whole. Quite the opposite.
"It would make sense for our hosts to wish our survival. And for them to have the ability to ensure it.'