Anne mentions that her parents don't want to discuss sex. She says she secretly has the desire to touch her body at night and does not want anyone to know.
Very mild crude humor. (I.E a joke about a fart). But this is a very moody story so there's not much jokes.
Anne talks about changes she is going through.
When Peter stands up while bathing we see his hands covering his Penis. When he turns around we see his butt for about 4.5 seconds.