Polonius enters, and offers Laertes lengthy advice on how to live in Paris; he spouts a string of aphoristic clichés enumerating the shoulds and shouldn'ts of a young man's life. Laertes agrees, telling Polonius that he really must be going, and reminding Ophelia of his directive to her. She promises to take his advice and to lock it safely in her heart. Polonius asks Ophelia what she and Laertes were discussing, and she tells him that Laertes advised her about Prince Hamlet. Polonius launches into his own diatribe on the subject, saying that Hamlet is a red-blooded male who wants her for only one purpose and that she must spurn his advances. Ophelia promises to obey her father and break off her relationship with the Prince.