An Appraisal Life That Began with Staring at the Sun

After the protagonist stares directly at the sun, his eyes mutate, allowing him to see the light emitted by certain valuable objects. He can tell how valuable an item is by the color of its glow. Relying on this ability, he appraises antiques and makes money, raises his children, enjoys life, fulfills his dreams, and lives a life that comes close to perfect...