The Question and Answer section for Their Eyes Were Watching God is a great resource to ask questions, find answers, and discuss the novel.
Tea Cake is ashamed because he was leading the flirtacious Nunkie on when she made a play for him. Janie was jealous, and after chases the girl away..... she hits him.
She meant that for the first time Janie would see the inner workings of a man's mind and understand what he was thinking.
Nanny wants to marry Janie off to an older Negro man. Nanny appeals to Janie to go along with her plan by referring to her own fragility (old age) hence a “cracked plate”.