How does the boy’s actions develop a theme in "The Harvest"? The boy learns from Don Trine and begins following his lead. This develops the theme that it is important to appreciate and respect the earth. The boy sympathizes with the old man and completes his tasks for him. This develops the theme that kindness is more important than material wealth. The boy isn’t sure why Don Trine does what he does, but the boy decides to follow him anyway. This develops the theme that wisdom doesn’t need to make logical sense. The boy doesn’t give up and decides to mimic Don Trine’s actions to see if there is something more to them. This develops the theme that curiosity is the secret to wealth.