I know my healing powers are bigger than any affliction know to man.

Nick a finger on the edge of an envelope and a dozen proteins fire in strict sequence, each one switching on the next, and the bleeding stops before you have found a plaster. Nobody taught you this. It runs the same in a person who has never once thought about it.

Scale that up and it is the same machinery working against everything else — infection, bruising, the slow business of mending. The forces on your side are ancient, and they do not require your attention in order to operate.