I've thought about this a lot. And I really think that if I looked like that I would kill myself
Augusts mom can't homeschool August anymore but his dad refuses to send August to school because he thinks he'll be laughed at because of his face.
August's has some facial deformities and Jack Will thinks that living like that having everybody stare at you and talk about you behind your back and looking into the mirror to look at that face would be way to much for him to take.
In the story August is the universe and everyone else around him is all of the planets in the universe just like they are in his life.