Pain by nerve induction.

Where there's pain... there's nerves.

The pain is the nerve regenerating.

I can grow pain-free nerves and graft them into my own leg.

Miscommunication in the brain stem mistakes nerve pain for tooth pain.

If it happened to come from a person with ClPA, I could grow pain-free nerves and graft them into my own leg.

Yeah, yeah, yeah, if it happened to come from a person with ClPA, I can grow pain-free nerves and graft them into my own leg.