His flesh shall be fresher than a child's. The chastisement having done its work, and the sufferer being delivered from death by the mediating angel, a restoration to health follows. The recovery of "flesh fresher than a child's" stands as the natural antithesis to Job's leprosy.
He shall return to the days of his youth. Youthful strength, youthful vigour, youthful feelings, shall come back to him. He shall be once more as he was in the days of his prime.