"It matters because we'd like to find out what it is so we can help others. It would also help us predict how well you will heal and how we can help to speed it up," the Healer said.
Percy nodded. "We understand all of that, but it's unlikely that we can help you find an answer," he answered. "However from what you're saying, you can't give us any answers either and staying here will be as useless as staying home."
"We will try to monitor him, and we'll know more. If we don't see any changes, then he can go home," the Healer answered patiently.