"I don't know. Maybe. What it tells me is that we should prioritize finding out who or what is responsible. The lighthouse keeper seems like our best lead."

But all this talk amounts to little more than what they've already decided. So rather than elaborate, he continues sorting through his rocks. It's still better than thinking about how he died. Certainly better than worrying about Law, who hopefully has found food and shelter and help by now. Who hopefully has found some way to cure himself. He refuses to consider any other alternative.