I guess to create the feeling of not being able to understand they didn't subtitle what he was saying when he was describing his head injury.
What did he say?
When he was young, he used a chair to get some cherries from the tree in his yard. The chair broke, he fell and hit his head.
shareWhen he was young, he used a chair to get some cherries from the tree in his yard. The chair broke, he fell and hit his head.
shareWhen I was young, my dumb ass wanted some cherries, so I got up on top of a chair, tried to reach for the cherries, but the chair broke and I busted my head open and it started bleeding real ba..(kiss) oh snap, i'm kissing a white girl, YES, I love America!.
So now you understand why he left that dump hole where he was playing baseball and left for NY. Then again, the movie pretty much explains that part.