What is when a guy calls you darling?

When a guy calls you "darling", it can be a term of endearment or affection. It may indicate that he likes you and wants to show you how much he cares for you. The word "darling" may also be used as a generic term of address to show polite interest or friendliness. However, it's important to interpret the context and tone of the conversation to accurately understand the meaning behind the term. The word "darling" may be used casually or romantically, so it's best to take other cues from the guy's behavior to determine his intentions.