When Hamlet meets Ophelia after the "To be or not to be" speech, he is polite or gentle with her at first. What happens to change his attitude? How does his attitude change? What does he say?

Hamlet meets Ophelia after his "To be or not to be" speech, and he is polite and gentle at first. However, when Ophelia tries to give him back the gifts he gave her, he gets angry and claims that he never gave her anything and never loved her.