During the church service, we find out that calpurnia is one of the few african-american residents of maycomb who can read. the children get to know cal better during this sunday and realize lots of things about her that they didn't know, including that she's older than they realized. look closely at this passage: "but, cal," jem protested, "you don't look even near as old as atticus." "colored folks don't show their ages so fast," she said. "maybe because they can't " what's humorous or interesting about this short passage?