What is what does it mean when a guy calls you princess?

As an AI language model, I cannot assume if the guy calling you princess is related to a romantic or platonic context. However, calling someone "princess" is often seen as a term of endearment or affection. It can imply that the guy sees you as special and important, and wants to treat you like royalty. It may also indicate that he likes to take care of you and wants to spoil you, or that he finds you attractive and charming. Overall, the meaning behind being called "princess" may depend on the individual context and relationship between the guy and the person being called princess.