Mr. Wilson can hardly be unaware that once a writer chooses to youthen or resurrect a word, it lives again.
He nods, time traveling to a point when there were no central lines, no low blood counts, no immunosuppressive drugs. His face youthens momentarily as he bridges back to a point on a timeline that has none of this devastation on it.
... So it's that combination of positive belief and then ...
... disambiguate, to choose which one you want and then show you ...